Tropic Marin Bio-Magnesium is a balanced biological available form of magnesium and carbon dioxide in a balanced formula to ensure a stable environment for corals and calcareous algae alike.

Magnesium is one of 3 major elements required for healthy coral growth and development and is essential for biochemical processes and skeletal structure. Additionally to this, the added carbon dioxide in a balanced formula aids directly in promoting photosynthesis for the zooxanthellae algae within the coral's tissue.

How to use:

One level measuring spoon increases the Magnesium by 10ppm in 110 litres of aquarium water. It’s advisable that per 110 litres no more than 2 measuring spoons should be used per day!

Dosage:

1 spoon = >10ppm per 100 litres
Balance of Magnesium and Carbon Dioxide

Quantity

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Shipping info

We are currently shipping Tuesday - Thursday on a next day signed for service., using Royal Mail & APC, Depending on location & weight. Please select delivery date upon checkout. Failure to do so, can result in a delay in receiving your order.

Dry Goods are shipped Monday - Friday via Royal Mail or parcel force.

Returns & DOA

In the unfortunate event your coral arrives and you think it's not survived the trip you must: Notify us immediately, via email or at the latest, within 2 hours of signing for your package to: rob@thecoralcentre.com that you think a coral has not survived. with photo's of the unopened pot / bag. If it isn't clear if the coral(s) are alive or dead, Please send pictures to rob@thecoralcentre.com and call us on 078 1851 8442, where we can help you with next steps. This will include acclimatising the coral.

FAQs

What's the best starter coral for my system?

Once your saltwater aquarium is older than 4-6 weeks we recommend looking at soft corals. Add colour with Zoas and mushrooms. Leather corals will add height and movement to your system. Star polyps are great for covering rocks quickly.

Are you open to the public?

Yes, We're open 7 days a week. Monday–Saturday 9am–5pm and Sunday 10am–4pm

Can I buy online and collect from store?

Yes, as part of the checkout process, you can select local pick up. justpop a message in the notes box to say when you'd like to collect.

I'm looking for a saltwater aquarium, can you help?

We pride ourselves on providing great help & advice from looking for anaquarium to stocking with fish and corals. Pop in, call or message usfor a chat regarding supplying and installing an aquarium.