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- Jun 25, 2021
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Wondering how best to reduce suck back after co2 off gassing subsides after primary ferm. If not careful, my typical blow off tube method can allow water to enter the fermenter as temperatures decrease. I tried switching to an s-type air lock and notice that some drops still make their way into the fermenter when taking gravity/pH samples. Anyone have a system that works? Anyone use a sanitized foam stopper after primary fermentation is done?