This pH adjusting solution is specially formulated for use in hydroponics. It is extremely concentrated and care must be taken when using it.

Organic acid is a pure organic alternative for lowering the pH of solutions.

pH- Grow is an enhanced nitric acid for lowering the pH of solutions in the vegetative period.

Growers with very hard water often require a lot of pH-. If this is the case, then we recommend the use of pH- Grow as it tends to affect the nutrient solution less than the use of phosphoric acid.