how much is needed per gallon of water. I added 1/4 tsp to a gallon of water that had a ph of 7. It causes the ph to drop to a ph of 3.6. I am growing in soil
how much is needed per gallon of water. I added 1/4 tsp to a gallon of water that had a ph of 7. It causes the ph to drop to a ph of 3.6. I am growing in soil