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wetting agent and mycorrhizae – endomycorrhizal fungi (glomus intraradices)
For even more drastic results
landscapes and gardens
Only available in black
HM Digital® COM-300 clone wetting agent and mycorrhizae –COM 300: Waterproof Professional Series pH EC TDS Temp Meter The COM 300 is a professional grade level pH EC TDS Temp meter ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. FEATURES: Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total
