Red Sea Marine Test Kit for Phosphate (PO4) - Accurate Aquarium Water Testing for Saltwater & Reef Tanks

Red Sea’s colorimetric Phosphate  Marine Test kit provides a quick and reliable measurement of Phosphate in your aquarium to an accuracy of 0.1ppm PO4.

This test kit, in conjunction with Red Sea’s Nitrite/Nitrate test kit, enables dosing of NO3: PO4- X (Biological Nitrate and Phosphate reducer)

Red Sea Phosphate Marine Test Kit Includes 100 tests.