Citrus Growers Forum

mrtexas · Posted: Mon 04 Oct, 2010 4:38 pm

Millet wrote:

Phil, you must be correct. That has to be the same person. As an side note, I use rain water when doing any foliar spraying. If, and when, I adjust the pH from my well water I use H2SO4 (Sulfuric acid). Actually Phosphoric acid would be better, as it would also supply phosphorus to the plants, but I have a carboy H2SO4 in stock. - Millet (832-)

I happen to have some phosphoric acid as I buy Ospho to get rid of rust on my 3 antique cars. I had a pint or so that wasn't attacking the rust after several uses and it works just fine for pH adjustment. I get Ospho at my local Ace hardware.