subramn Posted November 6, 2020 Share Posted November 6, 2020 my hang on back filter is flowing water fast is it ok for fishes like guppies and tetras . if i reduce the flow, i am worried about less water being filtered. my hang on back filter runs 24 hours a day. any suggestions or recommendations Link to comment Share on other sites More sharing options...
Garren Posted November 6, 2020 Share Posted November 6, 2020 The flow rate should be fine for guppies and tetras. I have mollies and tetras with running an Aquaclear 70 on a 38gal bow front. I have the flow turned down but still flows pretty fast. I have thought about putting a piece of sponge on the outflow lip to deflect the water a little but have not done it. Link to comment Share on other sites More sharing options...
subramn Posted November 6, 2020 Author Share Posted November 6, 2020 @Garren B thanks, keeping sponge is good idea, does this affect breeding or giving birth to live bearers? as water is constantly flowing and disturbing the water just curious Link to comment Share on other sites More sharing options...
Garren Posted November 6, 2020 Share Posted November 6, 2020 In my experience it doesn't bother them. My mollies were breeding like crazy with no problems. Just not breeding now because my male passed away. Link to comment Share on other sites More sharing options...
subramn Posted November 6, 2020 Author Share Posted November 6, 2020 @Garren B Thanks for your reply Link to comment Share on other sites More sharing options...
RovingGinger Posted November 6, 2020 Share Posted November 6, 2020 If your filter doesn’t already have a sponge or other very fine blocker on the intake I would invest in one of those for raising guppy fry. Otherwise the little guys can go for a crazy ride. Guppies seem to like to have a flow to play in from my experience. Usually your tank has more peaceful water away from the filter when they want it. Link to comment Share on other sites More sharing options...
Garren Posted November 6, 2020 Share Posted November 6, 2020 @RovingGinger You defiantly make a solid point. Something I did not think to mention. Link to comment Share on other sites More sharing options...
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