Tropic Marin Bio-Magnesium is balanced biological available form of magnesium and carbon dioxide in a balanced formula to ensure a stable environment for corals and calcareous algae’s alike.
Spend over £50 on your order and qualify for free shipping. Next day and timed services available.Find out more
We offer flexible monthly finance options. Credit is subject to application and status.Find out more
As a thank you, we run the Charterhouse Points scheme. Earn points on every order.Find out more