Apera GroStar GS3-E Replacement EC Electrode NPK Industries The Original will provide a

The Original will provide a 4x4 foot or 128 cubic foot space with CO2 for 6 months guaranteed

Watch this video explaining why it's the perfect solution for growers who need high-performance irrigation filtration with a smaller footprint

Use with undiluted Bluelab pH Up or Down

The trigger has a lock-on option that can be engaged for continuous spraying

Apera GroStar GS3-E Replacement EC Electrode NPK Industries The Original will provide aAI58030 GroStar GS3 E replacement EC electrode Measures conductivity EC, PPM (500), 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 1 year warranty