Hi TOKU -

hmmm.... I don't think you need to adjust your nutrients... the amount of pH down that you are using should be insignificant.. just a few drops here and there.. correct ??
Garden Knowm Reviewed by Garden Knowm on . Ph Down = Food? I had previously been using lemon juice to control Ph, but I recently got a bottle of Ph Down made by Green Air Products. Its made from a phosphoric acid base, and has an N-P-K rating of 0-9-0. About 1/3 of a tsp brings my well water from 7.2 to 6.5. What I am wondering is, should I adjust my nutes down a bit when using it, since it has a phosphorus component? Rating: 5