The optimal level for a plants pH is 6. At this level of pH your plants will take up nutrients in the proper ratios. When you pH is too low your plants will not feed properly. When this happens, your plants will be stunted and cannot grow properly.
Death of plants with low pH is also possible. With Advanced Nutrients pH up, you will help your plants by raising the pH to the required level in both hydroponics and soil grown plants.
Directions: In order to maintain the perfect pH level of 5.5 to 5.8 in hydroponics and 6.2 - 6.5 in sphagnum and soil. Use only small amounts of pH up when you are adjusting your nutrients solutions. This will allow you to raise your pH levels as required. For best results you should check you pH levels on a daily basis