What are trace elements exactly and what role do they play in our reefs? To put it simply, trace elements are elements that appear in very small quantities in salt water. Literally trace amounts. They are vital to all sorts of biological processes and due to the limited size of our aquariums can be depleted rapidly. So the question remains, should reef aquarists be dosing trace elements regularly?

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Red Sea Major Element Test Kit – https://amzn.to/3ec3auL
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