Red Sea's Calcium Pro test kit is an advanced calcium titration test, measuring the level of calcium in you reef aquarium to an exceptionally high resolution of +/- 2.5 ppm.

• Easy to use, professional-quality
  
• 75 tests
  
• Kits include liquid reagent(s), test tube, test tube covers, color chart, and instructions.
  
• Each kit contains everything you need including why and when the tests should be performed and recommendations on aquarium maintenance.
  
• Red Sea Reef Care Program Coral Colors Testing and Supplementing Guide (pdf format in new window)