Brightwell Magnesion - 500ml Eight environmentally accurate ecoscapes

Eight environmentally accurate ecoscapes

The DOS uses much larger tubing and fittings

As just one example

Unlike the natural reef environment

Brightwell Magnesion - 500ml Eight environmentally accurate ecoscapesConcentrated 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