Hanna Cal Check Solution, case of 25 tents-/-indoor-greenhouses Customer Support from a US-based

Customer Support from a US-based manufacturer

• Conserve water

the rate 7200° Kelvin temperature* distributes intense light for full cycle plant growth

Air will oxidize and degrade your produce and food

• Promote horizontal root branching

Hanna Cal Check Solution, case of 25 tents-/-indoor-greenhouses Customer Support from a US-basedThese sachets are for use with the Hanna HI9813 6 GroChek portable pH TDS EC Temp meter, which utilizes the Cal Check Solution to determine whether the probe is in need of cleaning or replacement. The sachets should only be used once, then discarded, in order to avoid contamination and improper readings.