Tristan Posted August 7 Share Posted August 7 Should I be concerned? Can I just scrape away? Small round disk shaped started with on wall and small (first photo) it grew and also are in other places in tank now. Heavily planted and lots of wood. 74 degree water. Test attached. 5 angels 6 corys and two plecos. Probably too many hours of light per day. Auto feed extreme nano, once-twice week baby brine, new life spectrum tropical pellet occasionally, nightly switch(bug bite, algae wafer, repashy) Link to comment Share on other sites More sharing options...
Colu Posted August 8 Share Posted August 8 They look like fresh water sponges nothing to worry about I would just leave them alone there not harmful to your fish @Tristan 2 Link to comment Share on other sites More sharing options...
Woowala Posted August 8 Share Posted August 8 you can see the outcurrent pore really clearly on the big one at the bottom on the second pic. very cool! 2 Link to comment Share on other sites More sharing options...
Tristan Posted August 8 Author Share Posted August 8 On 8/7/2024 at 7:51 PM, Colu said: They look like fresh water sponges nothing to worry about I would just leave them alone there not harmful to your fish @Tristan Sweet I appreciate it! They didn’t look too menacing 😂 1 Link to comment Share on other sites More sharing options...
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