Fluval filter noise. Now I have a problem with the external Filter (Fluval 107). I'm finding it to be quite loud, and I was wondering if there were any FX2 (or FX4/FX6) owners who could share their experience with the noise level of their filters. It's definitely a bit quieter than my Sunsun 304B but it's still pretty loud. It’ll make that noise for a couple of minutes, stop making the noise for a few seconds, then make it again. Mar 18, 2020 · I bought an 18ish gallon tank with an external filter for some guppies. Is this amount of noise/hum normal? In my honest opinion it sounds a little more than it should, sounds like the impeller is making a weird humming noise. Additionally, there may be a bubbling sound coming from the aquarium itself. You should also make sure there’s no slack in the lines as it can cause air to build up inside the canister witch can also cause the filter to be noisy. My recommendations are based on real performance, noise levels, and ease of maintenance. I know its supposed to be a quiet filter. Dec 6, 2025 · You likely don’t need a new filter. Restore Filter Efficiency: Helps restore water circulation and reduce operating noise. I set it up a couple of days ago, I’m completely new to canister filters (always worked with a sump) so I followed the instructions, primed it and turned it on. In the last few weeks a loud noise has started coming from the head unit - but the impeller is intact and cleaned etc. Mar 14, 2024 · The list covers most of the common issues people have with the Fluval FX6 and FX4 canister filters along with very easy troubleshooting tips and videos so you can fix your filter fast. Everything is great except it made some loud noise. Nov 2, 2015 · How can I stop my fluval HOF's impeller from making a lot of noise. Once restarting after cleaning I Mar 13, 2024 · My new Fluval 107 external filter is up and running, it's in a cabinet sitting on top of a bit of carpet, it has a bit of hum, which I could do to tone done, i have the flow lever at half way, to cut the flow a bit, but has made no difference to the hum, I'm surprised it's louder than my Fluvai Mar 16, 2023 · My fluval impeller is making a lot of noise raptorsvt79 Nov 2, 2015 Aquarium Filter Forum Replies 12 Views 17K Nov 4, 2015 Jul 20, 2013 · My filter has been making the most unhealthy noise lately and just wanted to share what fixed the problem, I'm actually amazed at how quiet the filter is now. I have tested canister filters, hang-on-back models, and internal filters in various setups including community tanks, cichlid tanks, and planted aquariums. That’s the best way I can describe it. 2 days ago · In this guide, I will share my hands-on experience with the best aquarium filters for 50 gallon tanks. Jun 21, 2025 · However, there will be occasions when you may find that your Fluval is making more noise than normal. but the noise is kind of bugging me Mar 23, 2017 · I recently had a noise in my fx5 and took apart the impeller and found 2 small pebbles jammed inside the impeller, it’s worth a look. Today I did maintenance on the unit cleaned out the filter pads, the micro filter pads, removed the part that covers the impeller washed it out, removed the impeller and washed it Oct 19, 2008 · i have a fluval 304 thats making a lot of noise and it sounds like the air trapped inside, i keep shaking it to try and remove the trapped air but its still rattling like mad, i would have though fluval would have sorted this problem by now as i used to have this issue with the older external Feb 8, 2021 · Fluval 306 canister filter making noise/vibration 306 fluval noise vibration Jump to Latest 35K views 13 replies 7 participants last post by BigGinger Feb 8, 2021 Jan 17, 2011 · Hi, I'm waiting for fluval to respond to me, but I wondered if anyone can help in the meantime. The filter can sometimes start to vibrate and pulsate, and also make a knocking sound. I have a Fluval 207 - about 4 months old. I put vaseline around the impeller and the shaft and it didn't help much. Turns out the clips. 90% of canister filter noises come down to three specific issues: Trapped Air, Dirty Impellers, or Cabinet Vibration. Keeping your filter operating at peak efficiency is not difficult, but rather it is simply a matter of following up on key maintenance activities. After replacing most of the parts, I finally narrowed it down to the lid that goes on the upper most media basket. If you continue to hear a noise, a replacement of the impeller assembly may be necessary. For residential or commercial aquariums maintenance kit using 107/207/307/407 canister filters Easy Installation: Disconnect power, open the filter lid, remove the old shaft, insert the new ceramic shaft, and reassemble the impeller unit. Apr 28, 2020 · Hi guys, I just recently got a Fluval 407 filter. Apr 15, 2025 · So we put it back together and plugged it in, but now it sounds like the filter is making noises that seem similar to a dishwasher/washing machine. Here is how to diagnose the sound and fix it in under 10 minutes. Any thoughts? TIA! Jul 7, 2012 · Hello everyone I have a Fluval 406 Canister Filter when I first got the unit it worked excellent with no issues. Aug 6, 2023 · I recently got the filter for my 280L tank, the Fluval FX2. Feb 12, 2026 · I just got a fluval 107, first time using a canister. I’ve completely broken down the filter, checked all fittings, checked the impeller and housing, drained and refilled the media trays. dep svv pfo lwx csa mxg tjz tia epp bmt ujp ffe uno lmp qnv