^reefers best salt.....
personally I like IO and if the calcium is low why don't you use calcium chloride mixed with top off water, You can aquire calcium chloride from any pool or spa place and it's fairly cheap I will be buying a 50lb bag soon so if you want some pm me.
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Always looking for the next best coral...
90g starphire cube/400mhRadium20k/2 XHO/2x27w UV/2x39w T5/ 3 Trulumen led strips
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