KBOzzie59 Posted August 7, 2022 Share Posted August 7, 2022 I've been to a bunch or wastewater treatment plants and have seen all kinds of things growing. I don't ever recall seeing this. 3 Link to comment Share on other sites More sharing options...
lefty o Posted August 7, 2022 Share Posted August 7, 2022 some sort of alien fungus. i honestly have never seen that one before. Link to comment Share on other sites More sharing options...
nabokovfan87 Posted August 7, 2022 Share Posted August 7, 2022 sponge? No idea.... That's terrifying to see. Link to comment Share on other sites More sharing options...
Friller Posted August 7, 2022 Share Posted August 7, 2022 It looks like expanding foam. On 8/8/2022 at 9:08 AM, nabokovfan87 said: sponge? No idea.... That's terrifying to see. Might be. Freshwater sponges do look kind of similar Link to comment Share on other sites More sharing options...
Brandon p Posted August 8, 2022 Share Posted August 8, 2022 I’m going to ask some one that that inspected water treatment plants. Link to comment Share on other sites More sharing options...
Guppysnail Posted August 8, 2022 Share Posted August 8, 2022 (edited) If the outer layer is stiff but not actually hard it is most likely a freshwater sponge. I’ve never been able to get them in my tanks. Pic and info from the web edit to add they are water quality sensitive so won’t grow at waste water plants https://www.nps.gov/articles/freshwater-sponges.htm Edited August 8, 2022 by Guppysnail 1 Link to comment Share on other sites More sharing options...
anitstuk Posted August 8, 2022 Share Posted August 8, 2022 Some sort of fungus or algae? Are the fish being affected by this fungus thingie? Link to comment Share on other sites More sharing options...
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