The Planted Tank Forum - View Single Post - Question about Sumps
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Old 11-06-2013, 09:50 PM   #4
jmsaltfish797
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i ran a 15g sump under a 55g for quite a long time. honestly IMO, its probably one of the better filter options you can go with. all you need is some bio balls or similar media for nitrifying bacteria to take hold. it also maintains a constant water level in the main tank, which just looks a lot cleaner. theyre also super easy to build for fresh water, just need a small tank to convert (15-20 gallons work best), and some glass from a local glass shop. pick your design and silicone it together.
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