HANNA Electrode Cleaning Solution, 500 mL Certified OMRI Organic Ongoing Feeding:

Ongoing Feeding:

sodium borate

It does not replace calcium

Made in Germany from 100% natural clay

Supports soil microbial activity as it breaks down naturally

HANNA Electrode Cleaning Solution, 500 mL Certified OMRI Organic Ongoing Feeding:Hanna Electrode Cleaning Solution 500ml HI7061L is a general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce inaccurate results even as they read correctly in a pH buffer. Hannas cleaning solutions eliminate impurities and residues that are left on electrode surfaces when immersed in samples during measurement or when stored incorrectly. Hanna suggests cleaning the bulb