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If the growth period is less than 8 weeks or the substrate is pre-fertilized
Speeds uptake and distribution of essential macro- and micro- nutrients required for all plant metabolic functions and growth
Materials: Filter body and cover: reinforced polyamide
Micro USB Port for Downloading Programs and System Updates
HM Digital PH-200 Pro Series Waterproof pH/Temp Meter 2x3 Grow Tents If the growth period isThe HM Digital PH 200 is a professional grade pH Temp meter ideal for all pH testing water. With its advanced microprocessor it provides highly accurate dependable readings in such applications as hydroponics, purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, and agriculture. HM Digital PH 200 Features:
