Hanna Cal Check Solution, case of 25 grow-light-reflectors Working your way into the

Working your way into the bag

Quillaja saponaria Extract

was designed in Humboldt County to be used with our Grow and Micro to be a complete growing nutrient system for hydroponics as well as other growing mediums

The blend incudes coir

vitamins and minerals which help your plants thrive

Hanna Cal Check Solution, case of 25 grow-light-reflectors Working your way into theThese 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.