Alfred Digital EC / TDS / Temperature Hydro Tester Water Control This design achieves highest efficiency

This design achieves highest efficiency of lighting

PRO-MIX HP is the choice of many growers for specialty crops

the light maybe too close

- 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

glacial rock dust

Alfred Digital EC / TDS / Temperature Hydro Tester Water Control This design achieves highest efficiencyThe 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;