citric

Sprayed with citric acid mix 3 times in last week. No excessive browning nor any spots on the leaves.

Has anyone used powdered citric acid for an organic ph down, its a lot cheaper than the organic ph down in hydro shop which is basically the same thing. Basically im after some sort of ratios of acid to water to make a solution i can slowly add to my water. thank you

After some reading these seem like the ph down options? Ive been using nutrifield ph down which i think is nitric acid, it seems i have a nitrogen sensitive strain and is it possible the ph down is another thing contributing to excess nitrogen ? Does anyone know which ph down uses phosphoric...