Alfred Digital EC / TDS / Temperature Hydro Tester Water Control 1 x lighter leash

1 x lighter leash

- Carbon Bed Depth: 2"- Max Operating Temp: 80ºC- Recommended Fans : Exhaust : S400 / Recirculating : Can-Fan 4" HOPackage Includes :1x Can-Filters Can-Lite 4" 250 CFM Carbon Filter

This design achieves highest efficiency of lighting

pretty simple

Alfred Digital EC / TDS / Temperature Hydro Tester Water Control 1 x lighter leashThe TDS 1 is an economically priced, reliable EC TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Measures electrical conductivity (EC), total dissolved solids (TDS). Excellent for hydroponic nutrient testing. Features Four scales: EC: S, mS; TDS: ppm, ppt Automatic Temperature Compensation (ATC) Water resistant Measurement Range: 0 9990 S;