Quote:
Originally Posted by whatcaneyedo
A plumber once told me that ABS pipe is treated with mould or bacterial inhibiting chemicals during manufacturing so he felt that it was a poor choice to use on an aquarium. However I, and many others, have used ABS pipe in moderation without any noticeable effects.
I thought that most of the plastic that our equipment is composed of was Acrylic or PVC. When did that change?
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ABS has better resistance to chemicals which is why it's used for drains and such instead of PVC. ABS pipe/fittings are not treated with anything.
Most pumps, powerheads and other equipment will be made from ABS plastic. The only place you'll find acrylic is your skimmer for it's obvious clarity. This is not new and hasn't changed.