Unknown In my Sump

jhrightyhein · Jan 11, 2024

I have hundreds of white pointy encrusting things in my sump all over glass and equipment. Anyone have similar and know what they are and if they are good or bad? Thank in advance

ISpeakForTheSeas · Jan 11, 2024

Hard to say for sure with the pic, but probably Spirorbid worms - harmless filter feeders.

Reefkeepers Archive · Jan 11, 2024

ISpeakForTheSeas said:
Hard to say for sure with the pic, but probably Spirorbid worms - harmless filter feeders.

That or pineapple sponge

Unknown In my Sump

jhrightyhein

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ISpeakForTheSeas

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