Karen B. Posted May 27, 2021 Share Posted May 27, 2021 Greetings! I made a stupid mistake. I did a 35% wc on my 20 gal.(populations 1 honey gourami, 12 green neon tetra, 10 chili rasboras, 7 false julii corydoras and 4 nerita snails) Parameters are temps 74-76, pH 7.6, 0/0/20, kh 4 and gh 9. During the wc, I always squeeze my pre-filter sponge. I filled the aquarium back up but tought the water didn’t look as clean/clear as usual so I figured ou I would squeeze the media inside the filter as well (I am not too afraid to crash my cycle as I also run an aquarium coop medium sponge filter in the aquarium) Problem is, I forgot to turn off the filter (and take it out of the aquarium altogether...) So when I removed the bottom sponge, a huuuuuge amount of mulm and yuck invaded the aquarium. Water became brown. I could barely see my fish. I quickly did a 20% wc while cleaning the filter to have it back running asap. I syphoned the substrate twice as the mulm was setting down. My corydoras are having a ball, can’t say the same for the rasboras. Will my fish make it? Anything else I should do? Should I syphon/wc again tomorrow? Link to comment Share on other sites More sharing options...
Ken Posted May 27, 2021 Share Posted May 27, 2021 I would just leave it alone. I don't think the fish care. If all the gunk plugs up the filters again just give them a quick rinse. 1 Link to comment Share on other sites More sharing options...
Isaac M Posted May 27, 2021 Share Posted May 27, 2021 I agree with @Ken, I would leave it and let it settle on its own. The mulm was always in the aquarium, it just became dislodged from your sponge, that is all. It will become lodged into your sponge once again. Your aquarium is looking great by the way! 1 1 Link to comment Share on other sites More sharing options...
lefty o Posted May 27, 2021 Share Posted May 27, 2021 its just ugly, wont hurt the fish. you more than likely wont forget to turn off the filter for a long time now. 1 Link to comment Share on other sites More sharing options...
Lemon Posted May 27, 2021 Share Posted May 27, 2021 I can't say how many times I have done that with my sponge filter, all my fish survived and my cory's go crazy(in a "happy" way) 1 Link to comment Share on other sites More sharing options...
Griznatch Posted May 27, 2021 Share Posted May 27, 2021 I've done the same, looked like a volcano erupted in there for a couple hours 🙂 The fish get all exited by the floaters... 1 Link to comment Share on other sites More sharing options...
Karen B. Posted May 28, 2021 Author Share Posted May 28, 2021 22 hours ago, Isaac M said: I agree with @Ken, I would leave it and let it settle on its own. The mulm was always in the aquarium, it just became dislodged from your sponge, that is all. It will become lodged into your sponge once again. Your aquarium is looking great by the way! Thank you so much for the compliment. 1 Link to comment Share on other sites More sharing options...
Karen B. Posted May 28, 2021 Author Share Posted May 28, 2021 12 hours ago, quirkylemon103 said: I can't say how many times I have done that with my sponge filter, all my fish survived and my cory's go crazy(in a "happy" way) Yeah my cory were really happy!! Link to comment Share on other sites More sharing options...
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