Waterproof Dissolved Oxygen Meter Pen grow-light-reflectors Product Code: PTEKLED025Efficacy: 2

Product Code: PTEKLED025Efficacy: 2

The 2lb Bi-Directional closed loop increases efficiency by utilizing both a bottom and top solvent input

Product Name: Soil Sensor for Controller AI+

Flame King Overfill Protection Valve helps prevent the 20LB Buffer propane tank overfills by closing when propane liquid level reaches to an 80% fill rate

Made of flexible

Waterproof Dissolved Oxygen Meter Pen grow-light-reflectors Product Code: PTEKLED025Efficacy: 2Measures dissolved oxygen to determine water quality in environmental testing, labs, industrial and municipal wastewater, aquariums and fish hatcheries. Designed for simple one hand operation with automatic temperature compensation and calibration to air. The polarographic probe has a built in temperature sensor and easy to replace pop off probe heads. Simultaneously displays dissolved oxygen and temperature readings. Also holds readings and recalls