Growth Technology pH Buffer 4 - 1L varo__2 x 1L Plug and play

Plug and play

Perfectly compatible with Bluelab pH pens

No need to reset your Timer from 18hrs to 12hrs

Treats (L): Up to 30

Growth Technology pH Buffer 4 - 1L varo__2 x 1L Plug and playpH BUFFER 4 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