The simple way to Tackle Clogged Drains—Naturally! « Centired …
Because washing soda is more alkaline than sodium bicarbonate (washing soda has a pH of 11), it should not be used on PVC pipes or to clear a pipe which has just been unclogged with a commercial acid drain cleaner .
See the original post here:
The simple way to Tackle Clogged Drains—Naturally! « Centired …
Tags: been-unclogged, commercial-acid, drain-cleaner, more-alkaline, pipe-which, pvc, should-not, used-on-pvc