Quote:
Originally posted by phatsonate
Do you mean different numbers like schedule 40 or 80? 40 is the white pvc and 80 is the grey stuff used for electrical. I can't remember what cement I bought before, but there is one that works with both sch. 40 and 80.
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well i am using the white pvc which is the scheduled 40 but i dont know what cement to use i dont want to poisen the fish or leach something bad into the water