On 5/7/05, Sandra Derrick <mygenericemailname at yahoo_com> wrote:
SeaChem Excel will not off gas.I realize this...however since this system will include retail space for fish I MUST out gas the CO2 before the water is returned through the sump.
If you add Excel there is no CO2 added so there is nothing to outgas. Excel
is an organic carbon source, not a source of CO2.
Liz
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