Hanna Cal Check Solution, case of 25 led of small soft bodied insects

of small soft bodied insects and certain fungal diseases

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

shortens harvest times

Features and Benefits: Deep guard design for unmatched performance

Hanna Cal Check Solution, case of 25 led of small soft bodied insectsThese 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.