Originally Posted by fermentedhiker
Has it always been this low or did it deteriorate over time?
I clean the filter every two months. The flow seemed less recently so I switched to the "bio" sponge Fluval packs with these - Could it be the "bio" sponge? It should cause less restriction.
The Aquastop is fully open and the filter's output goes through a Hydor heater and a inline Atomic CO2 diffuser - both of which are ceramic tubes, it's a straight shot with no change in tube diameter. I recently swapped out the CO2 diffuser with a duplicate (I clean one and swap when they get dirty).
Do you have any kinks with your hoses? Aquastop valve fully open? Any obstruction in your hoses?
Nope, not a kink - there is about 3' of head between the top of the filter and the tank edge.
Dang! That sorta looks like the flow coming from the little HOB filter I have lol.
My Aquaclear 50 passed more water than this... I know the turn over is not as important with canister filters but this isn't sufficient.
Looks like the flow of my 405 lol. After neglecting my filter with maintance... I figured the impeller and motor took a hit. Waiting for boxing day sales to buy a new filter!
Maybe yours has the same problem but premature detoriation.
Yeah, maybe the motor is dying but after 9 months? I clean it every 2 months. The trays are filled fully with Matrix, more than the stingy amount of bio rings that Fluval sends with the unit - but It seemed stronger when I first got the filter.
Originally Posted by HypnoticAquatic
video isnt playing for me just says unavalible;/, so first thing first. i would put my $ that the seal that goes around the impeller isnt seated all the way its kinda hard to push and you will hear a click to know its in for sure if not its quite possible that your filter is pushing the water out an back into the filter housing.
ill look back if i can get the video to play an give you better info of what i think.
ok well after watching it few ?s not answered. are u using filter floss or any small micron filter? and how much debris are in the filter after 1week? if you did a rescape or made a mess in the water colum it would cause this, so first take it apart an inspect it! if there is debris then its the filter doing its job if not your likely running into a clog or improper seat on the intake or impeller issue unless your using alot of fine micron polishing that can really slow the unit down. after that report back with all info fixed or unfixed issues an advice can go from there.
I wonder why the video wasn't available - i checked and it looks like it played - Thanks for the insite on the impeller seal - I'll check that tomorrow. I remember how hard you have to press it to seal.
there are two filter floss pads that do fine polishing at the top of the filter column - Fluval provides these and I replace them every 2 months with service http://www.amazon.com/Fluval-Filter-.../dp/B001D070N6
I'll check to see if there is detritus in the filter when I check the seal - It had some when I removed the Purigen packs to start medicating the water last weekend.
One more thing - I used the awful Fluval corrugated tube for my intake - could it have gotten gummed up? Do you guys ever have to clean the tubes on the canister filter?