Quote Originally Posted by gotmeabigwave
Not sure here...what is it that you are trying to accomplish? I believe that ph scale is from 1 up to 14 with 1 being acidic and 14 being base. :thumbsup:
What treetops is asking is whether there is a substance that you can find in your home that you can use to check whether your pH meter is functioning properly.

And you must have been paying attention in class! ; )