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potting soils
Rated at 1 GPM down to 1 micron
Gaia Green Mineralized Phosphate
It can also be made into a tea and use for watering or a foliar spray
Hanna GroLine Electrode Cleaning Solution ROTTMC3 potting soilsHI7061 023 is the GroLine 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. Hanna's 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 and junction of your