ThomasLC Posted August 4, 2021 Share Posted August 4, 2021 So, I have head people say don't do a water change AND maintenance on your canister filter at the same time. But I also heard your supposed to use your tank water to rinse your canister items like the sponges. Never the bio-media. Seems doing a 50% water change would reduce the amount of ammonia a filter would have to process. Thus a water change would give the filter time to replace the bacteria you disturbed with your cleaning. Of course I use a bacteria prime once done. Also I test the water again after 6 hours to insure no spikes are offuring. I have a heavily populated Dicus community tank and do 50% water changes almost every other day. I have two 45 gallon trash cans on wheels I use for this. One for waste water and one to pre the new water before pumping it into the tank. Never the two are mixed. Anyway, just looking for thoughts on that. Tweaking the contents of my canister filter is always a on going project. Link to comment Share on other sites More sharing options...
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