SAMA RANGE Total Immersion -20 to 150°C (box of 10) Sustainable Village For Hydroponic Systems use a

For Hydroponic Systems use a conductivity or ppm meter to monitor water quality and control nutrient strength

organic gardeners

After 25 years of plant-specific research

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Botanicare® Cal-Mag Plus™ 2-0-0

SAMA RANGE Total Immersion -20 to 150°C (box of 10) Sustainable Village For Hydroponic Systems use aTotal Immersion Thermometer 20 to 100C & 0 to 230F (box of 10) Length 305 mm 737680 Total Immersion Thermometer 20 to 110C (box of 10) Length 305 mm 736590 Total Immersion Thermometer 20 to 150C (box of 10) Length 305mm 736600 Total Immersion Thermometer Low Range 50 to 50C (box of 10) Length 305mm 736620 High Quality Construction All Sper Scientific immersion thermometers are made with safe red liquid to SAMA specifications for ranges and accuracy.