I am restarting my 55 gallon tank after a number of years dormant. I have Fluval 303 filter with a damaged impeller. I found one dealer on line selling the part and I'm wondering if its worth it to buy it or should I start over with a new filter? The rest of the filter parts appear to be okay but I won't know for sure until I put all of the hoses together and put it in the tank. I originally got the filter in 1995 and had the tank running for several years then restarted in around 2008 or so until 2012.

filter should be fine either way.


FWIW look at these methods: https://www.tropicalfishkeeping.com/...-build-295530/

I don't know. It's not only the general parts to be concerned about, but the motor is very important too.

I'm having the same questions you are. I went ahead and got a whole new filter.

I'm also thinking about getting a new impeller for the older one, just so I have it on hand

For me, the question still remains. What about the motor?

I'm interested to know what you decide!

Sounds like you got some good mileage out of it. If the motor is functioning properly then I would just replace the hoses and all. You can DIY pretty easily and save some money probably. Get yourself a new o-ring too. That’ll cover you for any potential leaks.

Personally, I like 2 filters on tanks 4 ft and up so were I you, I would get a new one and run both of them.


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So I couldn't get a replacement impeller for the 303. I found one place on line which had it listed but when I ordered it, they just sent me a refund so obviously they don't have one. I went ahead anyway and restarted the filter with the old impeller which is missing one blade. Everything started up and seemed to be running fine except for one problem. There's a leak coming out of one of the clamps on the canister. Can anyone tell me what they think that might be due to? Is it something I'm maybe doing wrong? I hate to go and buy a new filter if these is something I can easily rectify.

Are these when you tried to buy the impeller?
https://www.azgardens.com/product/fluval-303-impeller/
Fluval 303 Parts
https://www.saltwaterfish.com/produc...peller-for-303
Aquarium Canister Filter | AAP, SunSun; 404, 403, 402, & Parts
Fluval 303 Impeller
https://search.healthypets.com/searc...303%20impeller
https://www.marineandreef.com/Fluval...5_403_s/19.htm


and apparently the manufacturer still has stuff...
https://usa.hagen.com/ProductCategor...g=5&perPage=24

Kinda hard to tell about the leak without being able to look at it. could be something as simple as the old tubes hardened or expanded. Could be some kind of crack in the nipple also. You could try using some petroleum jelly over the nipple then putting the hose on to see if the leak stops. If so then you may have to replace the tube or add an addition clamp to gently tighten the hose around the nibble. If it is coming from the base where the two nipples snap into the body, then perhaps a oring/gasket needs replacing. could also use the petroleum jelly to again temporarily see if the leak stops.


Still just guessing


and worth at most .02