I use the sulfite sterilizer for wine and beer making equipment. I have it on hand (for its intended purpose) and it does not leave anything behind after a quick rinse. Kills bacteria and yeasts on contact better than chlorine based sterilants.
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I retired and got a fixed income but it's broke.
Ed
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50 gallon FOWLR, 10 gallon sump.
130 gallon reef, 20 gallon sump, 10 gallon refugium.
10 gallon quarantine.
60 gallon winter tank for pond fish.
300 gallon pond with waterfall.
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