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Do you have any other filter on the tank? I'm a fan of canisters or AC HOBs for FW. UGFs are best run in RUGF mode if run at all (JMO). With cichlids (which type?), it may be impossible to run it either way.
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8G Peacock Gudgeon, 75G CA/SA cichlids, 120G Planted, 50G Mixed Reef ( Build). 125G Reef and 100G frag tank in process.
Save the reefs... Buy captive raised when possible!
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