Total Grow Control pH Probe CO2 Tanks Let compost or worm castings

Let compost or worm castings brew with EZ Tea Veg for 12 to 24 hours then apply to plants

Can be used with all ornamental plants

Avoid cross-contamination

dry compartment which has no contact with the water

Made from a three-part construction with an O-ring for a tight seal

Total Grow Control pH Probe CO2 Tanks Let compost or worm castingsTotal 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