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the 100x magnification of this microscope will help you determine just which type are pestering your plants
The Master controller EL1 and EL2 Gen2 are our entry-level systems for centrally controlling large rooms with e-series fixtures
Control the maximum speeds of two fans
Continuous diffusion for 60 days
Maintenance Free: No heat
COM-80 - EC Meter - HM Digital Measuring Tools/Ph/ EC Control & Correction the 100x magnification of thisThe COM 80 is easily the most advanced economically priced, reliable EC TDS meter on the market. With its versatility and durability, it is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Features: Measures electrical conductivity (EC), total dissolved solids (TDS). Excellent for nutrient testing Four scales: EC: S, mS; TDS: ppm, 0. 5 (NaCl) & 0. 7 (442)
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