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! ; )
stinkyattic Reviewed by stinkyattic on . Ammonium Sulfate Is it safe to add ammonium sulfate (Epsoma quick solutions) to soil when the ph reading is above 8? If so how should I go about adding the stuff. I have a bag of it bought from a home and garden shop and it looks like road salt that has been swept up off the streets of Buffalo NY after a long shitty winter. Anyway, on the back the directions read to mix something like 5 pounds per 1000 sq/ft, thus makeing it far more difficult for me to add it into a small pot with about 4 cups of Rating: 5