LaurieinIA Posted November 9, 2021 Share Posted November 9, 2021 I’m strongly considering changing from an HOB to sponge filters in my planted community setup - partly because it now sits in my living room and the water noise drives me crazy, partly because I no longer have someone 1/2 block away to check on things if the power goes out while I’m at work. The tank is appx 40 gal cube shaped. 24” tall. With where my plants already are, I don’t really have floor space to do 2 separate sponges. I could, just really don’t want to rearrange plants that are finally settling in again since we moved. Can I do just one large sponge or should I stack a couple of them? Is the coop usb nano pump strong enough? I love how quiet it is! If not, what’s a good QUIET air pump? Link to comment Share on other sites More sharing options...
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