Waterproof Conductivity Meter (Pen Style) stocked that this model isn't suited

that this model isn't suited to Flexi-Tanks without an Aerobrewer in operation

Standard Fit: This versatile system also conveniently accepts standard 10" duct

then this is the product you should choose

- Designed for indoor use

and growth plans to assist growers in enhancing cultivation productivity and fostering superior crop quality

Waterproof Conductivity Meter (Pen Style) stocked that this model isn't suitedHighly stable and accurate readings with a large LCD display. Designed for simple one hand operation. Simultaneously displays the parameter being measured and temperature in C or F. Features automatic temperature compensation, 2 pt. calibration, auto power off, hold function, and a low battery indicator. The case is IP65 waterproof, and will float if accidentally dropped into the water. Comes with 4 button cell batteries and a built in probe with