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T5 Lamps (bulbs):
Giesemann NEW STYLE
T5 Lamps (bulbs): Giesemann T5 Lamps (new style)

Tired of replacing your T5 HO bulbs every year? Switch to Arcadia LED T5 HO Replacement Lamps.


VOLUME DISCOUNTS:
  • Buy 6 NEW STYLE Giesemann Lamps (mixed OK) and receive a 5% discount.
  • Buy 12 NEW STYLE Giesemann Lamps (Mixed OK) and receive a 10% discount
  • Buy a case of 6 of the same NEW STYLE Giesemann Lamps and save 14% (discount already included in posted price)
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Giesemann  Tropic 24W 24 inch T5 HO Lamp
Giesemann Tropic 24W 24" T5 HO Lamp (GM-T5-TRPC)

Wholesale Price (Members Only)
In Stock

  • 22 inches from end of pin to end of pin (for 24 inch fixtures/retrofits)
  • The Giesemann Tropic is a full spectrum 6500k HO T5 lamp with enhanced photosynthetic peaks which recreates a natural sunlight effect
  • 24W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for freshwater & marine fish only tanks
  • The specially designed light spectrum inhibits algae
  • Man Part #: GM-T5-TRPC
  • Made in Germany
Giesemann  Tropic 24W 24 inch T5 HO Lamp Six Pack
Giesemann Tropic 24W 24" T5 HO Lamp (6) (GM-T5-TRPC)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 22 inches from end of pin to end of pin (for 24 inch fixtures/retrofits)
  • The Giesemann Tropic is a full spectrum 6500k HO T5 lamp with enhanced photosynthetic peaks which recreates a natural sunlight effect
  • 24W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for freshwater & marine fish only tanks
  • The specially designed light spectrum inhibits algae
  • Man Part #: GM-T5-TRPC
  • Made in Germany
Giesemann  Actinic Blue 24W 24 inch T5 HO Lamp
Giesemann Actinic Blue 24W 24" T5 HO Lamp (GM-T5-AB)

Wholesale Price (Members Only)
In Stock

  • 22 inches from end of pin to end of pin (for 24 inch fixtures/retrofits)
  • The Giesemann Actinic Blue emits almost exclusively blue light of wavelengths from 400 - 510 nm, with a maximum at 420 nm. These wavelengths enhance the growth of many coral species in the aquarium, thus ensuring optimum lighting conditions.
  • 24W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for reef aquariums
  • Increases the fluorescence effect of coral and shells
  • Very long color stability through quality phosphors
  • Man Part #: GM-T5-AB
  • Made in Germany
Giesemann  Actinic Blue 24W 24 inch T5 HO Lamp Six Pack
Giesemann Actinic Blue 24W 24" T5 HO Lamp (6) (GM-T5-AB)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 22 inches from end of pin to end of pin (for 24 inch fixtures/retrofits)
  • The Giesemann Actinic Blue emits almost exclusively blue light of wavelengths from 400 - 510 nm, with a maximum at 420 nm. These wavelengths enhance the growth of many coral species in the aquarium, thus ensuring optimum lighting conditions.
  • 24W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for reef aquariums
  • Increases the fluorescence effect of coral and shells
  • Very long color stability through quality phosphors
  • Man Part #: GM-T5-AB
  • Made in Germany
Giesemann  AquaBlue Coral 24W 24 inch T5 HO Lamp
Giesemann AquaBlue Coral 24W 24" T5 HO Lamp (GM-T5-AQB)

Wholesale Price (Members Only)
In Stock

  • 22 inches from end of pin to end of pin (for 24 inch fixtures/retrofits)
  • The Giesemann AquaBlue Coral lamp is the ultimate blue/white light spectrum ( Special 70:30 combination of 6000K and 22000K).
  • 24W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for reef aquariums
  • Reinforcement of all colors in fish and corals
  • Very long color stability through quality phosphors
  • Man Part #: GM-T5-AQB
  • Made in Germany
Giesemann  AquaBlue Coral 24W 24 inch T5 HO Lamp Six Pack
Giesemann AquaBlue Coral 24W 24" T5 HO Lamp (6) (GM-T5-AQB)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 22 inches from end of pin to end of pin (for 24 inch fixtures/retrofits)
  • The Giesemann AquaBlue Coral lamp is the ultimate blue/white light spectrum ( Special 70:30 combination of 6000K and 22000K). This spectrum will enhance the brilliant colors of your corals and fish.
  • 24W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for reef aquariums
  • Reinforcement of all colors in fish and corals
  • Very long color stability through quality phosphors
  • Man Part #: GM-T5-AQB
  • Made in Germany
Giesemann  Super Flora 24W 24 inch T5 HO Lamp
Giesemann Super Flora 24W 24" T5 HO Lamp (GM-T5-SF)

Wholesale Price (Members Only)
In Stock

  • 22 inches from end of pin to end of pin (for 24 inch fixtures/retrofits)
  • The Giesemann Super Flora is a high-performance T5 tube developed for optimum plant growth and to accentuate the blue & red colors of your fish.
  • 24W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for freshwater planted & fish only aquariums
  • Inhibits algae growth by specially designed light spectrum
  • Designed for optimal plant growth
  • Man Part #: GM-T5-SF
  • Made in Germany
Giesemann  Super Flora 24W 24 inch T5 HO Lamp Six Pack
Giesemann Super Flora 24W 24" T5 HO Lamp (6) (GM-T5-SF)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 22 inches from end of pin to end of pin (for 24 inch fixtures/retrofits)
  • The Giesemann Super Flora is a high-performance T5 tube developed for optimum plant growth and to accentuate the blue & red colors of your fish.
  • 24W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for freshwater planted & fish only aquariums
  • Inhibits algae growth by specially designed light spectrum
  • Designed for optimal plant growth
  • Man Part #: GM-T5-SF
  • Made in Germany
Giesemann  Super Actinic 24W 24 inch T5 HO Lamp
Giesemann Super Actinic 24W 24" T5 HO Lamp (GM-T5-SAB)

Wholesale Price (Members Only)
In Stock

  • 22 inches from end of pin to end of pin (for 24 inch fixtures/retrofits)
  • The Giesemann Super Actinic emits a very strong, pure actinic spectrum, which generates a light white/violet effect in your aquarium that maximizes the fluorescence from your colorful corals. Ideal for supplementation of existing metal halide lighting.
  • 24W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for marine and reef aquariums
  • Very long color stability through quality phosphors
  • Increases the fluorescence effect of coral and shells
  • Man Part #: GM-T5-SAB
  • Made in Germany
Giesemann  Super Actinic 24W 24 inch T5 HO Lamp Six Pack
Giesemann Super Actinic 24W 24" T5 HO Lamp (6) (GM-T5-SAB)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 22 inches from end of pin to end of pin (for 24 inch fixtures/retrofits)
  • The Giesemann Super Actinic emits a very strong, pure actinic spectrum, which generates a light white/violet effect in your aquarium that maximizes the fluorescence from your colorful corals. Ideal for supplementation of existing metal halide lighting.
  • 24W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for marine and reef aquariums
  • Very long color stability through quality phosphors
  • Increases the fluorescence effect of coral and shells
  • Man Part #: GM-T5-SAB
  • Made in Germany
Giesemann  Super Purple 24W 24 inch T5 HO Lamp
Giesemann Super Purple 24W 24" T5 HO Lamp (GM-T5-SP)

Wholesale Price (Members Only)
In Stock

  • 22 inches from end of pin to end of pin (for 24 inch fixtures/retrofits)
  • The Giesemann Super Purple is the ultimate white/violet spectrum T5 lamp to accentuate coral and fish colors as well as providing proper light intensity for coral growth.
  • 24W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for marine and reef aquariums
  • Reinforcement of all colors in fish and corals
  • Man Part #: GM-T5-SP
  • Made in Germany
Giesemann  Super Purple 24W 24 inch T5 HO Lamp Six Pack
Giesemann Super Purple 24W 24" T5 HO Lamp (6) (GM-T5-SP)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 22 inches from end of pin to end of pin (for 24 inch fixtures/retrofits)
  • The Giesemann Super Purple is the ultimate white/violet spectrum T5 lamp to accentuate coral and fish colors as well as providing proper light intensity for coral growth.
  • 24W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for marine and reef aquariums
  • Reinforcement of all colors in fish and corals
  • Man Part #: GM-T5-SP
  • Made in Germany
Giesemann  AquaBlue Azure 24W 24 inch T5 HO Lamp
Giesemann AquaBlue Azure 24W 24" T5 HO Lamp (GM-T5-AZR)

Wholesale Price (Members Only)
In Stock

  • 22 inches from end of pin to end of pin (for 24 inch fixtures/retrofits)
  • The Giesemann AquaBlue Azure is a turquoise blue a 16-17000K lamp developed for reef aquariums providing higher PAR to enhance the colors and growth of corals whilst producing a rich turquoise blue for optimum aesthetics.
  • 24W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for marine and reef aquariums
  • Promotes coral growth by reinforcing the preferred range of zooxanthellae in the blue spectrum
  • Man Part #: GM-T5-AZR
  • Made in Germany
Giesemann  AquaBlue Azure 24W 24 inch T5 HO Lamp Six Pack
Giesemann AquaBlue Azure 24W 24" T5 HO Lamp (6) (GM-T5-AZR)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 22 inches from end of pin to end of pin (for 24 inch fixtures/retrofits)
  • The Giesemann AquaBlue Azure is a turquoise blue a 16-17000K lamp developed for reef aquariums providing higher PAR to enhance the colors and growth of corals whilst producing a rich turquoise blue for optimum aesthetics.
  • 24W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for marine and reef aquariums
  • Promotes coral growth by reinforcing the preferred range of zooxanthellae in the blue spectrum
  • Man Part #: GM-T5-AZR
  • Made in Germany
Giesemann  Tropic 39W 36 inch T5 HO Lamp
Giesemann Tropic 39W 36" T5 HO Lamp (GM-T5-TRPC)

Wholesale Price (Members Only)
In Stock

  • 34 inches from end of pin to end of pin (for 36 inch fixtures/retrofits)
  • The Giesemann Tropic is a full spectrum 6500k HO T5 lamp with enhanced photosynthetic peaks which recreates a natural sunlight effect
  • 39W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for freshwater & marine fish only tanks
  • The specially designed light spectrum inhibits algae
  • Man Part #: GM-T5-TRPC
  • Made in Germany
Giesemann  Tropic 39W 36 inch T5 HO Lamp Six Pack
Giesemann Tropic 39W 36" T5 HO Lamp (6) (GM-T5-TRPC)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 34 inches from end of pin to end of pin (for 36 inch fixtures/retrofits)
  • The Giesemann Tropic is a full spectrum 6500k HO T5 lamp with enhanced photosynthetic peaks which recreates a natural sunlight effect
  • 39W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for freshwater & marine fish only tanks
  • The specially designed light spectrum inhibits algae
  • Man Part #: GM-T5-TRPC
  • Made in Germany
Giesemann  Actinic Blue 39W 36 inch T5 HO Lamp
Giesemann Actinic Blue 39W 36" T5 HO Lamp (GM-T5-AB)

Wholesale Price (Members Only)
In Stock

  • 34 inches from end of pin to end of pin (for 36 inch fixtures/retrofits)
  • The Giesemann Actinic Blue emits almost exclusively blue light of wavelengths from 400 - 510 nm, with a maximum at 420 nm. These wavelengths enhance the growth of many coral species in the aquarium, thus ensuring optimum lighting conditions.
  • 39W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for reef aquariums
  • Increases the fluorescence effect of coral and shells
  • Very long color stability through quality phosphors
  • Man Part #: GM-T5-AB
  • Made in Germany
Giesemann  Actinic Blue 39W 36 inch T5 HO Lamp Six Pack
Giesemann Actinic Blue 39W 36" T5 HO Lamp (6) (GM-T5-AB)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 34 inches from end of pin to end of pin (for 36 inch fixtures/retrofits)
  • The Giesemann Actinic Blue emits almost exclusively blue light of wavelengths from 400 - 510 nm, with a maximum at 420 nm. These wavelengths enhance the growth of many coral species in the aquarium, thus ensuring optimum lighting conditions.
  • 39W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for reef aquariums
  • Increases the fluorescence effect of coral and shells
  • Very long color stability through quality phosphors
  • Man Part #: GM-T5-AB
  • Made in Germany
Giesemann  AquaBlue Coral 39W 36 inch T5 HO Lamp
Giesemann AquaBlue Coral 39W 36" T5 HO Lamp (GM-T5-AQB)

Wholesale Price (Members Only)
In Stock

  • 34 inches from end of pin to end of pin (for 36 inch fixtures/retrofits)
  • The Giesemann AquaBlue Coral lamp is the ultimate blue/white light spectrum ( Special 70:30 combination of 6000K and 22000K). This spectrum will enhance the brilliant colors of your corals and fish.
  • 39W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for reef aquariums
  • Reinforcement of all colors in fish and corals
  • Very long color stability through quality phosphors
  • Man Part #: GM-T5-AQB
  • Made in Germany
Giesemann  AquaBlue Coral 39W 36 inch T5 HO Lamp Six Pack
Giesemann AquaBlue Coral 39W 36" T5 HO Lamp (6) (GM-T5-AQB)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 34 inches from end of pin to end of pin (for 36 inch fixtures/retrofits)
  • The Giesemann AquaBlue Coral lamp is the ultimate blue/white light spectrum ( Special 70:30 combination of 6000K and 22000K). This spectrum will enhance the brilliant colors of your corals and fish.
  • 39W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for reef aquariums
  • Reinforcement of all colors in fish and corals
  • Very long color stability through quality phosphors
  • Man Part #: GM-T5-AQB
  • Made in Germany
Giesemann  Super Flora 39W 36 inch T5 HO Lamp
Giesemann Super Flora 39W 36" T5 HO Lamp (GM-T5-SF)

Wholesale Price (Members Only)
In Stock

  • 34 inches from end of pin to end of pin (for 36 inch fixtures/retrofits)
  • The Giesemann Super Flora is a high-performance T5 tube developed for optimum plant growth and to accentuate the blue & red colors of your fish.
  • 39W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for freshwater planted & fish only aquariums
  • Inhibits algae growth by specially designed light spectrum
  • Designed for optimal plant growth
  • Man Part #: GM-T5-SF
  • Made in Germany
Giesemann  Super Flora 39W 36 inch T5 HO Lamp Six Pack
Giesemann Super Flora 39W 36" T5 HO Lamp (6) (GM-T5-SF)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 34 inches from end of pin to end of pin (for 36 inch fixtures/retrofits)
  • The Giesemann Super Flora is a high-performance T5 tube developed for optimum plant growth and to accentuate the blue & red colors of your fish.
  • 39W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for freshwater planted & fish only aquariums
  • Inhibits algae growth by specially designed light spectrum
  • Designed for optimal plant growth
  • Man Part #: GM-T5-SF
  • Made in Germany
Giesemann  Super Actinic 39W 36 inch T5 HO Lamp
Giesemann Super Actinic 39W 36" T5 HO Lamp (GM-T5-SAB)

Wholesale Price (Members Only)
In Stock

  • 34 inches from end of pin to end of pin (for 36 inch fixtures/retrofits)
  • The Giesemann Super Actinic emits a very strong, pure actinic spectrum, which generates a light white/violet effect in your aquarium that maximizes the fluorescence from your colorful corals. Ideal for supplementation of existing metal halide lighting.
  • 39W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for marine and reef aquariums
  • Very long color stability through quality phosphors
  • Increases the fluorescence effect of coral and shells
  • Man Part #: GM-T5-SAB
  • Made in Germany
Giesemann  Super Actinic 39W 36 inch T5 HO Lamp Six Pack
Giesemann Super Actinic 39W 36" T5 HO Lamp (6) (GM-T5-SAB)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 34 inches from end of pin to end of pin (for 36 inch fixtures/retrofits)
  • The Giesemann Super Actinic emits a very strong, pure actinic spectrum, which generates a light white/violet effect in your aquarium that maximizes the fluorescence from your colorful corals. Ideal for supplementation of existing metal halide lighting.
  • 39W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for marine and reef aquariums
  • Very long color stability through quality phosphors
  • Increases the fluorescence effect of coral and shells
  • Man Part #: GM-T5-SAB
  • Made in Germany
Giesemann  Super Purple 39W 36 inch T5 HO Lamp
Giesemann Super Purple 39W 36" T5 HO Lamp (GM-T5-SP)

Wholesale Price (Members Only)
(Out of Stock)

  • 34 inches from end of pin to end of pin (for 36 inch fixtures/retrofits)
  • The Giesemann Super Purple is the ultimate white/violet spectrum T5 lamp to accentuate coral and fish colors as well as providing proper light intensity for coral growth.
  • 39W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for marine and reef aquariums
  • Reinforcement of all colors in fish and corals
  • Man Part #: GM-T5-SP
  • Made in Germany
Giesemann  Super Purple 39W 36 inch T5 HO Lamp Six Pack
Giesemann Super Purple 39W 36" T5 HO Lamp (6) (GM-T5-SP)

Wholesale Price (Members Only)
(Out of Stock)

  • CASE of 6 (14% savings)
  • 34 inches from end of pin to end of pin (for 36 inch fixtures/retrofits)
  • The Giesemann Super Purple is the ultimate white/violet spectrum T5 lamp to accentuate coral and fish colors as well as providing proper light intensity for coral growth.
  • 39W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for marine and reef aquariums
  • Reinforcement of all colors in fish and corals
  • Man Part #: GM-T5-SP
  • Made in Germany
Giesemann  AquaBlue Azure 39W 36 inch T5 HO Lamp
Giesemann AquaBlue Azure 39W 36" T5 HO Lamp (GM-T5-AZR)

Wholesale Price (Members Only)
In Stock

  • 34 inches from end of pin to end of pin (for 36 inch fixtures/retrofits)
  • The Giesemann AquaBlue Azure is a turquoise blue a 16-17000K lamp developed for reef aquariums providing higher PAR to enhance the colors and growth of corals whilst producing a rich turquoise blue for optimum aesthetics.
  • 39W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for marine and reef aquariums
  • Promotes coral growth by reinforcing the preferred range of zooxanthellae in the blue spectrum
  • Man Part #: GM-T5-AZR
  • Made in Germany
Giesemann  AquaBlue Azure 39W 36 inch T5 HO Lamp Six Pack
Giesemann AquaBlue Azure 39W 36" T5 HO Lamp (6) (GM-T5-AZR)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 34 inches from end of pin to end of pin (for 36 inch fixtures/retrofits)
  • The Giesemann AquaBlue Azure is a turquoise blue a 16-17000K lamp developed for reef aquariums providing higher PAR to enhance the colors and growth of corals whilst producing a rich turquoise blue for optimum aesthetics.
  • 39W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for marine and reef aquariums
  • Promotes coral growth by reinforcing the preferred range of zooxanthellae in the blue spectrum
  • Man Part #: GM-T5-AZR
  • Made in Germany
Giesemann  Tropic 54W 48 inch T5 HO Lamp
Giesemann Tropic 54W 48" T5 HO Lamp (GM-T5-TRPC)

Wholesale Price (Members Only)
In Stock

  • 45.75 inches from end of pin to end of pin (for 48 inch fixtures/retrofits)
  • The Giesemann Tropic is a full spectrum 6500k HO T5 lamp with enhanced photosynthetic peaks which recreates a natural sunlight effect
  • 54W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for freshwater & marine fish only tanks
  • The specially designed light spectrum inhibits algae
  • Man Part #: GM-T5-TRPC
  • Made in Germany
Giesemann  Tropic 54W 48 inch T5 HO Lamp Six Pack
Giesemann Tropic 54W 48" T5 HO Lamp (6) (GM-T5-TRPC)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 45.75 inches from end of pin to end of pin (for 48 inch fixtures/retrofits)
  • The Giesemann Tropic is a full spectrum 6500k HO T5 lamp with enhanced photosynthetic peaks which recreates a natural sunlight effect
  • 54W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for freshwater & marine fish only tanks
  • The specially designed light spectrum inhibits algae
  • Man Part #: GM-T5-TRPC
  • Made in Germany
Giesemann  Actinic Blue 54W 48 inch T5 HO Lamp
Giesemann Actinic Blue 54W 48" T5 HO Lamp (GM-T5-AB)

Wholesale Price (Members Only)
In Stock

  • 45.75 inches from end of pin to end of pin (for 48 inch fixtures/retrofits)
  • The Giesemann Actinic Blue emits almost exclusively blue light of wavelengths from 400 - 510 nm, with a maximum at 420 nm. These wavelengths enhance the growth of many coral species in the aquarium, thus ensuring optimum lighting conditions.
  • 54W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for reef aquariums
  • Increases the fluorescence effect of coral and shells
  • Very long color stability through quality phosphors
  • Man Part #: GM-T5-AB
  • Made in Germany
Giesemann  Actinic Blue 54W 48 inch T5 HO Lamp Six Pack
Giesemann Actinic Blue 54W 48" T5 HO Lamp (6) (GM-T5-AB)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 45.75 inches from end of pin to end of pin (for 48 inch fixtures/retrofits)
  • The Giesemann Actinic Blue emits almost exclusively blue light of wavelengths from 400 - 510 nm, with a maximum at 420 nm. These wavelengths enhance the growth of many coral species in the aquarium, thus ensuring optimum lighting conditions.
  • 54W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for reef aquariums
  • Increases the fluorescence effect of coral and shells
  • Very long color stability through quality phosphors
  • Man Part #: GM-T5-AB
  • Made in Germany
Giesemann  AquaBlue Coral 54W 48 inch T5 HO Lamp
Giesemann AquaBlue Coral 54W 48" T5 HO Lamp (GM-T5-AQB)

Wholesale Price (Members Only)
In Stock

  • 45.75 inches from end of pin to end of pin (for 48 inch fixtures/retrofits)
  • The Giesemann AquaBlue Coral lamp is the ultimate blue/white light spectrum ( Special 70:30 combination of 6000K and 22000K). This spectrum will enhance the brilliant colors of your corals and fish.
  • 54W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for reef aquariums
  • Reinforcement of all colors in fish and corals
  • Very long color stability through quality phosphors
  • Man Part #: GM-T5-AQB
  • Made in Germany
Giesemann  AquaBlue Coral 54W 48 inch T5 HO Lamp Six Pack
Giesemann AquaBlue Coral 54W 48" T5 HO Lamp (6) (GM-T5-AQB)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 45.75 inches from end of pin to end of pin (for 48 inch fixtures/retrofits)
  • The Giesemann AquaBlue Coral lamp is the ultimate blue/white light spectrum ( Special 70:30 combination of 6000K and 22000K). This spectrum will enhance the brilliant colors of your corals and fish.
  • 54W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for reef aquariums
  • Reinforcement of all colors in fish and corals
  • Very long color stability through quality phosphors
  • Man Part #: GM-T5-AQB
  • Made in Germany
Giesemann  Super Flora 54W 48 inch T5 HO Lamp
Giesemann Super Flora 54W 48" T5 HO Lamp (GM-T5-SF)

Wholesale Price (Members Only)
In Stock

  • 45.75 inches from end of pin to end of pin (for 48 inch fixtures/retrofits)
  • The Giesemann Super Flora is a high-performance T5 tube developed for optimum plant growth and to accentuate the blue & red colors of your fish.
  • 54W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for freshwater planted & fish only aquariums
  • Inhibits algae growth by specially designed light spectrum
  • Designed for optimal plant growth
  • Man Part #: GM-T5-SF
  • Made in Germany
Giesemann  Super Flora 54W 48 inch T5 HO Lamp Six Pack
Giesemann Super Flora 54W 48" T5 HO Lamp (6) (GM-T5-SF)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 45.75 inches from end of pin to end of pin (for 48 inch fixtures/retrofits)
  • The Giesemann Super Flora is a high-performance T5 tube developed for optimum plant growth and to accentuate the blue & red colors of your fish.
  • 54W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for freshwater planted & fish only aquariums
  • Inhibits algae growth by specially designed light spectrum
  • Designed for optimal plant growth
  • Man Part #: GM-T5-SF
  • Made in Germany
Giesemann  Super Actinic 54W 48 inch T5 HO Lamp
Giesemann Super Actinic 54W 48" T5 HO Lamp (GM-T5-SAB)

Wholesale Price (Members Only)
In Stock

  • 45.75 inches from end of pin to end of pin (for 48 inch fixtures/retrofits)
  • The Giesemann Super Actinic emits a very strong, pure actinic spectrum, which generates a light white/violet effect in your aquarium that maximizes the fluorescence from your colorful corals. Ideal for supplementation of existing metal halide lighting.
  • 54W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for marine and reef aquariums
  • Very long color stability through quality phosphors
  • Increases the fluorescence effect of coral and shells
  • Man Part #: GM-T5-SAB
  • Made in Germany
Giesemann  Super Actinic 54W 48 inch T5 HO Lamp Six Pack
Giesemann Super Actinic 54W 48" T5 HO Lamp (6) (GM-T5-SAB)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 45.75 inches from end of pin to end of pin (for 48 inch fixtures/retrofits)
  • The Giesemann Super Actinic emits a very strong, pure actinic spectrum, which generates a light white/violet effect in your aquarium that maximizes the fluorescence from your colorful corals. Ideal for supplementation of existing metal halide lighting.
  • 54W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for marine and reef aquariums
  • Very long color stability through quality phosphors
  • Increases the fluorescence effect of coral and shells
  • Man Part #: GM-T5-SAB
  • Made in Germany
Giesemann  Super Purple 54W 48 inch T5 HO Lamp
Giesemann Super Purple 54W 48" T5 HO Lamp (GM-T5-SP)

Wholesale Price (Members Only)
In Stock

  • 45.75 inches from end of pin to end of pin (for 48 inch fixtures/retrofits)
  • The Giesemann Super Purple is the ultimate white/violet spectrum T5 lamp to accentuate coral and fish colors as well as providing proper light intensity for coral growth.
  • 54W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for marine and reef aquariums
  • Reinforcement of all colors in fish and corals
  • Man Part #: GM-T5-SP
  • Made in Germany
Giesemann  Super Purple 54W 48 inch T5 HO Lamp Six Pack
Giesemann Super Purple 54W 48" T5 HO Lamp (6) (GM-T5-SP)

Wholesale Price (Members Only)
In Stock

  • CASE of 6 (14% savings)
  • 45.75 inches from end of pin to end of pin (for 48 inch fixtures/retrofits)
  • The Giesemann Super Purple is the ultimate white/violet spectrum T5 lamp to accentuate coral and fish colors as well as providing proper light intensity for coral growth.
  • 54W T5 HO Lamp. Will work in any T5 fixture, as long as you are using bulbs of the same wattage and length as those currently in your fixture
  • Recommended for marine and reef aquariums
  • Reinforcement of all colors in fish and corals
  • Man Part #: GM-T5-SP
  • Made in Germany
   
 
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