Hanna Cal Check Solution, case of 25 led Features and Benefits: Deep guard

Features and Benefits: Deep guard design for unmatched performance

It comes with LR5 Drive Motor

½ HP irrigation delivery pump

The base ingredients in Grow Natural will promote and facilitate the growth of beneficial bacteria and fungi in your growing media

Hanna Cal Check Solution, case of 25 led Features and Benefits: Deep guardThese 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.