Hy-Gen Complete PH Kit The HY-GEN COMPLETE pH KIT is a quick and precise approach to monitor the pH of nutritional solutions. Simple to use Accurate colour chart Concentrated indicator solution Only one drop required Ph up and down solution Multiple tests Transfer pipette for easy use The package also allows you to change your pH using the supplied pH UP and pH DOWN solutions. Even though pH adjustment is rather simple, it does become more complex as you gain experience and understand more about your plants and growing environment. You can get a reading by using just one drop of the concentrated indicator solution in the accompanying test tube. Your pH may be measured to within 0.5 of a pH unit using the calibrated colour chart that is provided. Your plants will be healthy and happy if you frequently test and modify your nutrient solution. Testing and adjusting the nutrient solution pH is made easy with a HY-GEN Complete pH Kit. The kit comes supplied with a test tube; 1mL transfer pipette 150mL pH Up 150mL pH Down Colour chart Concentrated indicator solution. Testing only requires one drop of indicator. WHEN TO USE The pH should be checked daily and always after water or additives are added to your tank. Adjust your pH when it falls below 5.8 or rises above 6.5. Once adjusted mix well and allow 60 minutes before re-testing and adjusting.