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1
Description
In the ocean, there are tiny amounts of essential trace elements such as iodine, lithium, manganese, etc. that can be depleted rapidly in household aquariums as corals and invertebrates grow. Tropic Marin Pro-Coral A- and Pro-Coral K+ are f...
Reviews
5.0
1 rating
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Tropic marine A K
I have been using it for years, along with tropic marine part c via brs hybrid method (I use reef endurance calcium and soda ash. My tank is going great.