Growth Technology pH Buffer 7 - 1L Dehumidifier Azos converts nitrogen into a

Azos converts nitrogen into a usable form that is readily available to the plant

Precision Digital Scale 0

refined kelps

Max Head Height (m): 1

Growth Technology pH Buffer 7 - 1L Dehumidifier Azos converts nitrogen into apH BUFFER 7 These are solutions of known and exact pH. If your pH meter doesnt read pH 7 (or pH 4) when the probe is put into the buffer then the meter is wrong and needs calibrating. We recommend that the meter is checked with pH 7 Buffer at least once a week, and checked with pH 4 buffer at least monthly. Each pH meter comes with instructions on how to calibrate the meter. Pour enough buffer from the bottle to cover the glass end of the probe when