Thanks for the reply, the concentration is very high. You hit the spot ritght on the bulls eye with that one. 21-0-0. Nothin but N. Funny because I used to put vinegar in my hydro system about on drop and it would bring the ph right back to normal. I did some research on the net for household products to bring down ph in soil and found nothing except the use of Ammonium nitrate. What meter do you speak of?
gotmeabigwave Reviewed by gotmeabigwave 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