Essentials Lab Buffer 4 – 250ml

Essentials Lab Buffer 4 Calibration The pH of your nutrient solution greatly affects the availability of nutrients within that solution, that’s why you need Ph Calibration Solution 4!! If your pH which is too high or too low can cause deficiencies in essential nutrients that plants need in order to grow and can also negatively affect beneficial bacteria in your system or substrate. Your pH electrode or pH meter’s performance will change with time due to aging because as the electrode is used, its coating degrades! To ensure it is working correctly, regular calibration is a must. If you are using your pH meter daily, you should calibrate it at least once a week!