Hanna GroChek pH/EC/TDS/Temp Combo lamps such as during the production

such as during the production of buds and blooms

Run up to two 1000 watt lamps simultaneously—and mix and match HPS and MH lamps for balanced output

Any Roots Organics Potting Soil is ideal

Thinnest Grodan product available

controlled environments

Hanna GroChek pH/EC/TDS/Temp Combo lamps such as during the productionThis indicator continuously monitors the three most crucial nutrient parameters in hydroponic, greenhouse, and horticultural applications. At startup, the GroChek performs a self check to assure proper working condition. The stability indicator and HOLD function lets the user know when to take readings and freezes the reading on display for easy and accurate recording. This instrument is supplied with a non clogging double junction pH electrode as