Total Grow Control pH Probe HPS 5′ x 9′ – Fits

5′ x 9′ – Fits 4′ x 8′ tray

The Harvest Pro RVD series of vacuum pumps are specifically suited for botanical extraction

Concentrated ready to spray formula only requires 2-3 seconds per 25 square feet of canopy

and also preventing unwanted odors or cross-contamination

1’ connector cable connects up to 4 units

Total Grow Control pH Probe HPS 5′ x 9′ – FitsTotal Grow Control pH Probe These industrial combination pH or ORP sensors use the conventional measurement technique, employing a process pH glass electrode (platinum for ORP) which is compared to a reference electrode in KCL solution. Total Grow Control's combination sensors have been completely modernized with several major upgrades. A new, more durable CPVC shell material provides excellent chemical resistance, and temperature compensation