Growth Technology pH Buffer 4 - 1L noise-reducing-ducting instantly turn the timer On

instantly turn the timer On or Off as needed

most of the sodium content is removed from the mix

The best part is that our soil tester requires no batteries or electricity

Once activated it produces a surge of CO2

Flower Boost will give your plants the exact PK ratio they need to release their full potential

Growth Technology pH Buffer 4 - 1L noise-reducing-ducting instantly turn the timer OnpH 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