Growth Technology pH Buffer 7 - 1L feed-systems Introducing Professor's Extreme Boost

Introducing Professor's Extreme Boost

and organic debris from your pond

If the plant is dehydrated

Used in both vegetative and generative cycles

CO2 would be 1500 PPM (a little lower

Growth Technology pH Buffer 7 - 1L feed-systems Introducing Professor's Extreme BoostpH 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