WillC Posted November 19, 2021 Share Posted November 19, 2021 Is there a recommended minimum distance from the top of a sponge filter to the water line? Will Link to comment Share on other sites More sharing options...
Guppysnail Posted November 19, 2021 Share Posted November 19, 2021 To the best of my knowledge as long as it is a bit over the lift tube so the bubbles float a touch it’s doing it’s job. I’m sure a little more might be better. I’ve never heard an actual recommendation. 1 1 Link to comment Share on other sites More sharing options...
HotTunaCartel Posted November 23, 2021 Share Posted November 23, 2021 Finally got around to taking a pic. This is about 1 1/2 inches from the water line and it works fine with plenty of agitation 1 Link to comment Share on other sites More sharing options...
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