Sometimes 0.01 TE(Fe) is sufficient and 0.1 TE(Fe) cause problems. It depends on substrate and water mineral content, mostly KH. In higher KH water 0.01 TE(Fe) may not be enough and more is needed, usually 0.1 TE(Fe) is more suitable.
This is daily dosing before lights go on.
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Last edited by Edward; 12-19-2017 at 03:09 PM.