flow rate

Hi all. What is the desired turnover rate to achieve best water quality for a tank ? And what is the minimum turnover rate, be it big or small tank. I plan on keeping some slow flow, air breathing fish, and also some fish that require strong flow/current. I have a 900 liters tank which I plan on...

Hi all. I have a 4 feet tank. 4x2x1.5 (Length x width x height) and I bought the wrong canister filter. Will lowering water in tank have any effect on my canister filter ? Particularly the input tube that gets water back to the canister ? My tank is 83 gallons (310 litres) and the filter I have...

Hi fellow friends MFK. newbie here first time owner of large tank and prefer canisters over sump. Tank setup for 2 snakeheads. 7ft x 3 x 2.5 that is approximately 393 gallons or 1500 liters. Will 2 eheim xl canisters be enough for beneficial bacteria growth and full cycle ? One canister on each...

Hi guys, I currently have a 5feet 120g hap tank running on an fx6 (packed with matrix in 2 tray and sponge on top) with a sump (dc return pump up to 1040gph) and a jebao cp40(aka cp120, delivery up to 4000gph) There are currently 32 inhabitants in this tank, ranging from 4~8 inches We all...

I'm trying to better dial in flow rates for UV sterilizers on a couple of tanks, and have been wondering: does having a return line nozzle submerged (say just below the water surface) affect the flow rate compared to having the nozzle right above the water surface? Seems like it should from a...