Hanna Instruments GroLine pH 7.01 Calibration Buffer, 230mL Ceramic Grow Lights The SolarSystem Controller features programmable

The SolarSystem Controller features programmable 0% to 99% spectrum control over three spectrum ranges – Blue

stand-alone use

Roots remain undisturbed during transplant

As robust as it is easy to run & clean

Hanna Instruments GroLine pH 7.01 Calibration Buffer, 230mL Ceramic Grow Lights The SolarSystem Controller features programmableGroLine pH 7. 01 Calibration Buffer is a high quality pH 7. 01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper proof seal to ensure the quality of the solution. Hanna's line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of