Brightwell Magnesion Size:500mL helping protect your valuable investment

helping protect your valuable investment -and your tank inhabitants

Struggling with test kits is now a thing of the past

All AI devices include smart control standard

and mostly rely on photosynthesis to survive

red dragon

Brightwell Magnesion Size:500mL helping protect your valuable investmentConcentrated 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