Highly accurate, professional meters for easy nutrient control The Essentials pH meter is truly the most rugged glass type pH tester around. It is water and drop resistant. Easy to use, just dip the sensor into test solution, stir and wait. The unit will deliver a stable reading in about 20 seconds.
This kit allows you to adjust your pH and EC levels of your nutrient tank, which gives you more accurate control so you can achieve bigger yields.