Waterproof Digital Refractometer - Brix 0 to 60% Grow1 5' Steel Stake If your application requires a

If your application requires a deeper vacuum

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6 Gallons (6L)

The HASH Controller allows you to monitor and view in realtime the VPD

Waterproof Digital Refractometer - Brix 0 to 60% Grow1 5' Steel Stake If your application requires aThis refractometer is housed in a protective, rubberized IP65 waterproof case to safeguard the electronics from wet environments and makes for easy cleanups. Measure samples as small as 1 ml, in the field with laboratory accuracy. 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