Brand: General Hydroponics
- Designed to work superbly in hydroponic environments, both soil-less mixtures and soil grown plants
- Includes pH Test Indicator tube:fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the vial.
- Includes 8oz bottle of pH Up which is used to elevate it to the desired level
- Contains 8oz bottle of pH down which uses food grade phosphoric acid to lower the pH to to the desired level
- For best results, discard and replace hydroponic solution regularly