Quote:
Originally Posted by tinpusher
Is the white PVC pipe from Home Depot the correct stuff?
What glue do you recommend that is strong, safe for fish, and won't break down in saltwater?
Are threaded connections preferred where possible?
Do you use regular white teflon tape on threads to seal joints?
That's all for now.
Thankyou 
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1) Yes, for rigid pipe, the "white stuff" (schedule 40) from home depot is fine. Use the recommended solvent cement. I prefer to cement the connections whenever practical, as I find them less leak-prone.
As to threads, I use plumbers teflon compound rather than tape, as most teflon tape doesn't work very well with PVC fittings (it 'sticks' to metal fittings better).