Apera Instruments GroStar GS4-E Replacement pH/EC Combo Electrode Aeroponic Systems and vegetative growth

and vegetative growth

Improves Winter Hardiness

Threaded into an existing PE micro-tube as a replacement sprinkler

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Apera Instruments GroStar GS4-E Replacement pH/EC Combo Electrode Aeroponic Systems and vegetative growthGroStar GS4 E replacement pH EC combo electrode Measures pH, conductivity (EC and PPM) and temperature Combo probe built with lithium glass membrane and titanium alloy to ensure high accuracy and durability Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance Double junction structure uses blue gel electrolyte without the air bubble 1 year warranty