How do I quiet my overflows (pre-drilled 125 gallon tank ...
2013-1-2u2002·u2002I just bought a 125 pre-drilled tank with dual overflows off Craigslist. On one side of the tank, the drain tube is really quiet. On the other, it seems to be flowing faster, and it occasionally makes a hollow 'slurp' sound. There are floats in each drain tube to keep it quiet, but I don't really know much about these.
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