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34 x 5" Stainless Steel Clamp
Maximum Gradient: 20°
This high-quality coir is processed indoors to eliminate debris and pollutants
Reliable Performance: Ensures accurate and dependable timing for consistent grow room operation
Pocket Digital Refractometer - Honey Tubing 34 x 5" Stainless SteelMeasure concentrations of be, brix and water. As small, light and simple to use as a optical refractometer, but with the precision of a digital readout. Reads samples as small as 1 ml. Sample temperature is initially displayed on the large LCD followed by the measurement results. The sophisticated microprocessor provides automatic calibration, automatic temperature compensation and automatic shutoff (after 3 minutes). A sturdy water resistant case