Ryanjuds Posted September 2, 2016 Report Share Posted September 2, 2016 I got this corner HMF filter from Swiss Tropicals and am overall very pleased with it but I feel like it isn't putting out enough water for my 20 gal long tank. It is working and putting out a descent amount of water but I just feel like it isn't enough to be adequately filtering my tank. Am I just worrying too much or does this seem like not enough? And how could I increase it? Quote Link to comment Share on other sites More sharing options...
EricM Posted September 2, 2016 Report Share Posted September 2, 2016 nothing blocking the little holes in the gray part at the bottom? has it ever pumped more water for you? Quote Link to comment Share on other sites More sharing options...
Ryanjuds Posted September 2, 2016 Author Report Share Posted September 2, 2016 It never has pumped any more than this Quote Link to comment Share on other sites More sharing options...
EricM Posted September 2, 2016 Report Share Posted September 2, 2016 your air pump needs more balls then. it should flow more then you'd really want. oem 1 Quote Link to comment Share on other sites More sharing options...
Ryanjuds Posted September 2, 2016 Author Report Share Posted September 2, 2016 im currently using the Tetra Whisperer 20gal air pump, any other suggestions? Quote Link to comment Share on other sites More sharing options...
EricM Posted September 2, 2016 Report Share Posted September 2, 2016 just have one tank? you can try the the tetra whisper deep water versions. I'm not really sure for a single tank. Quote Link to comment Share on other sites More sharing options...
Vpier Posted September 2, 2016 Report Share Posted September 2, 2016 The out flow of the lift tube has to be at water level in order to work properly. Air can move a ton of water but it cant lift it above the water level as well as a mechanical pump like a powerhead.. If you add more water and raise the level you will see more water flowing out. ruuuey, Shrimple minded and Ryanjuds 3 Quote Link to comment Share on other sites More sharing options...
Ryanjuds Posted September 2, 2016 Author Report Share Posted September 2, 2016 Problem solved tank you so much! Vpier 1 Quote Link to comment Share on other sites More sharing options...
Vpier Posted September 2, 2016 Report Share Posted September 2, 2016 39 minutes ago, Ryanjuds said: Problem solved tank you so much! No problem. Quote Link to comment Share on other sites More sharing options...
EricM Posted September 2, 2016 Report Share Posted September 2, 2016 for this instance Viper is right. its related to the power of your pump. Alita I have can pump crazy water 5" out of the water easy. Quote Link to comment Share on other sites More sharing options...
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