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UV protected heavy duty metal enclosure
air temperature and humidity values
straight from the bottle – it can’t get any easier than that
The ballast is made from sturdy
Add to every nutrient solution
Aqua Master Tools E300 Pro Substrate EC/Temp Meter Micro Sprayers & Drippers UV protected heavy duty metalE300 Pro Substrate EC Temp meter The Substrate EC Temp meter E300 Pro is the perfect digital hand held meter for measuring the EC and temperature of any soft, moist substrate or liquid. It is suitable for many industries, such as agriculture and horticulture, as well as the food industry. What sets this meter apart is the almost unbreakable EC electrode. The user friendly meter is extremely accurate and fits perfectly in the hand with a rubber
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