Originally Posted by AbqBrian
I bought some "porcupine heads", that hold 26 pieces of 1/2in PVC. I like that you can cut them to handle any pond depth. Has anyone used these? Do you pre-sand the PVC so plankton will attach?
https://www.amazon.com/Cedars-Dance-Porcupine-Attractor-Spheres/dp/B001BAAVMK

I don't sand them and I found that you need to glue them or some will fall out over time.

www.hoosierpondpros.com

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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).