Safe to use ABS pipes instead of PVC?

[JohnL]

Yes, ABS is just as safe as PVC.

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Peace - John

[MPTNATE]

I'm making supports for my live rock so it doesn't collapse into the sand... My dad has some 3" ABS plastic pipe (the black stuff) so I was wondering if I could use that instead of having to buy 10' of PVC. Any thoughts?
TIA
Nate

[MPTNATE]

Thanks John!!

Nate