L L/B Block Supporting Member BARcard Jul 17, 2022 #1 Ok folks-doing some maintenance today after I just got home and I saw this around my return pump. Or rather under it. I am unclear what it could be. Any input greatly appreciated. L & B
Ok folks-doing some maintenance today after I just got home and I saw this around my return pump. Or rather under it. I am unclear what it could be. Any input greatly appreciated. L & B
Da_Neefer Guest BARcard Jul 17, 2022 #2 My guess is some sort of sponge, in which case it's probably harmless
J jhuynh Supporting Member BARcard Jul 17, 2022 #3 pineapple sponges on the bottom glass... under the pump is another sponge. which kind, i dont know, maybe tunicate ??? either way, harmless filter feeders.
pineapple sponges on the bottom glass... under the pump is another sponge. which kind, i dont know, maybe tunicate ??? either way, harmless filter feeders.
