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|  Glue and Sealant I am currently building a skimmer using PVC pipe. I am almost ready to start glueing it together and am wondering if there is a problem with any glues or silicone sealants that are toxic to the fish. Also, does anyone have a pump recomendation for my skimmer. It is a venturi style (24"x3") on a 25 gal tank. |