Timfish Posted May 19, 2018 Share Posted May 19, 2018 Clump of coraline algae in one of my systems (no calcium or alkalinity supplements for those wondering). 1 Quote Link to comment Share on other sites More sharing options...
ShawnM Posted May 19, 2018 Share Posted May 19, 2018 Wow that is the alk and calcium as it breaks down lol. That is pretty amazing Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
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