Simple pH test kit. Add water to the supplied vial, add a drop of solution and compare the colour to the pH chart.
HY-GEN® COMPLETE pH KIT is an easy and accurate way to keep track of the nutrient solution pH. The kit gives the added ability to adjust your pH using the pH UP and pH DOWN solutions provided. Adjusting the pH is quite easy and after some time and experience it becomes an art as you start to learn more about your plants and growing system.View full product details
85% concentrate. Up to 50% more concentrated than competing brands.
Active ingredient: phosphoric acid.View full product details
48% concentrate. Up to 50% more concentrated than competing brands.
Active ingredient: potassium hydroxide.View full product details