Answer
Aug 26, 2024 - 09:56 AM
Bio Drain is not designed to be used in septic systems. It is designed to be used in floor drains to remove scum and buildup. To eliminate drain flies, the source of the flies has to be removed. In some cases that is difficult to impossible. If this is the case, remedial control such as using space sprays (CB80) or traps is the only solution. If they are emerging from drains, then covering the drain with a screen small enough to prevent them from getting through may offer some control.
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