API REEF MASTER TEST KIT Reef Aquarium Water Test Kit 1-Count

API's REEF Master Test Kit measures the most important aquarium levels in a Reef Aquarium. 4 different tests calibrated specifically for Reef aquariums are designed to protect reef-dwellers from dangerous water conditions. Tests include: Calcium, Carbonate Hardness (KH), Phosphate & Nitrate), 4 test tubes, tray.

• Includes all tests required to test the nitrogen cycle
• Kit includes laminated color card, 4 test tubes and holding tray
• Includes instruction booklet on how to correct unsafe water conditions