Stef Posted July 23, 2022 Share Posted July 23, 2022 Any Fluval Flex tank owners out there who have encountered a water level drop in the pump compartment? The heater is back there and is too exposed. This tank is the 9 gal version that I’ve had up for about 2 years and has about 20 2-month old molly fry and their mom. Both upper and lower intakes are blocked with sponge (not coarse but not fine either) and one of the two outputs is also blocked with sponge. The intake compartment and the center sponge compartment have normal water levels. Is it all the blocked intakes? Link to comment Share on other sites More sharing options...
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