I have 750 gallons of filtration and had a hard time getting my tank to cycle. I added several Small fish to help create some ‘waste’. After two months it just wouldn’t cycle. Even when I borrowed some cycled water from A friend. I put this sponge filter in and connected it to a 785mph air pump and within a few days my 90 gallon tank is crystal clear and my ammonia level is 0ppm, Nitrates/Nitrites 0ppm and my ph is 7.0 I highly recommend it. But you need a STRONG air pump to get the water to get sucked into the sponge ...
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
WORKS WELL..HELPS KEEP TANK CLEAN
Verified purchase: Yes | Condition: New
good product
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
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