I have two filters, so each time I change the water, I put the fresh one in, and take out the used one to clean it, dry it, then store it till the next water change. Well, I did a water change about 5 weeks ago, and discovered that I had no filter cleaner. I rinsed the filter, then left it sitting in the cleaning bucket with a good amount of chlorine, planning to clean it later. I then FORGOT it.......for weeks. Oops.
So I found it yesterday- water cloudy and stinky. I dumped the water, rinsed the filter, then put it BACK in a chlorine bath (1/2 tsp in one bucket) and it has been 24 hrs. Plan today is to get some filter cleaner and do what I should have done a month ago.
So if it seems to clean up well, it should be ok to use again, right?