PurGro GroBot pH Probe, Industrial Replacement spl_hrg Whats included:

Whats included:

All of the roots organics guanos are carefully sourced for quality and harvested with bat friendly methods so you and your garden get performance with principles

Phantom PHE750DS ballast features:

This lighting stand fits all size SunBlaster T5 light strips

• Consistent formulation without the variability of compost

PurGro GroBot pH Probe, Industrial Replacement spl_hrg Whats included:These don't look like the ones from the hydro store because they are double junction, flat surface pH probes typically used in chemical plants for process control. They last longer, stay cleaner and are built to mount in line inside your GroBot Evolution. Cost a few bucks more, but these are the good ones. Proudly made in the USA.