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conductivity (ppm) and temperature of the nutrient solution
Derived from: Potassium Sulfate
the Bluelab Truncheon® Nutrient Meter has proven itself as the world's favorite nutrient meter
Professional 600 watt high frequency electronic ballast
Back Draft Dampers Apollo conductivity (ppm) and temperature ofBack Draft Dampers These are excellent quality back draft dampers. They are made from heavy gauge galvanized steel with heavy duty springs. They use both an embossed bead and rubber gasket to help keep ducting securely in place. They prevent back draft air when your fans are off.
US$ 155.90
US$ 36.00
US$ 32.00
US$ 32.00
