bryterside Posted December 9, 2020 Share Posted December 9, 2020 We have a 3 gallon cube shrimp tank. At the moment I am running a coop nano sponge filter broke in half. Modifying the sponge filter makes it too small to fit a never clog air stone. I think the tank would do better with more oxygen from the air stone than the minimum filtration a half a nano sponge filter gives. I was curious about other opinions, should I trust my gut and go without a sponge? Link to comment Share on other sites More sharing options...
FrozenFins Posted December 9, 2020 Share Posted December 9, 2020 there is no harm with going a sponge filter. all though plants are a natural way of filtration. 1 Link to comment Share on other sites More sharing options...
Daniel Posted December 9, 2020 Share Posted December 9, 2020 I have good luck with only airstones. 1 Link to comment Share on other sites More sharing options...
Andy's Fish Den Posted December 9, 2020 Share Posted December 9, 2020 I would just go with the airstone in that tank. Being that its only 3 gallons and only shrimp, i would feel safe recommending the airstone only. Shrimp don't produce a lot of waste and if you do a small water change weekly or even bi-weekly I don't see any issues. There will be plenty of beneficial bacteria in the substrate and with the live plants in there it will help. 1 Link to comment Share on other sites More sharing options...
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