Brightwell Aquatics Magnesion 500mL Sera Test Strips reverse osmosis

reverse osmosis

Add 30 drops or 1

4 glass test tubes and color chart

or prevent onset of

Magnesium chloride (anhydrous)

Brightwell Aquatics Magnesion 500mL Sera Test Strips reverse osmosisConcentrated Magnesium Supplement for All Marine Fish & Reef Aquaria. Overview: Highly concentrated ionic magnesium solution. Provides magnesium, which helps regulate the balance between calcium and carbonates in aquarium water, and is a component of aragonite, the mineral secreted by reef building organisms such as corals, clams, and their allies to form skeletal material. Stronger than most competing products. Contains no unwanted organic material