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GroStar GS3 EC Pen commercial greenhouse fixtures BOSS is very simple to BOSS is very simple to use: just open the top of the bag and hydrate coir 000 CFM system without breaking a sweat AI11030 GroStar GS3 EC PPM Temp Pen PPM (700) and temperature• Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance• Titanium alloy sensor designed for high accuracy EC measurement• Easy to use design and fast calibration adjustment
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