Red Sea Magnesium Pro Test REFILL Reagent (75 Tests)

Red Sea’s Magnesium Pro Test Reagent is an advanced titration formula, measuring the level of Calcium in your reef aquarium to an exceptionally high accuracy of 20 ppm.

Red Sea’s Magnesium Pro test also enables the precise and accurate dosing of Red Sea’s Reef Foundation C supplement (buffer) which is part of the complete Red Sea Reef Care Program.