Waterproof Digital Refractometer - Brix 0 to 88% HPS Making a doorway in a

Making a doorway in a DIY custom grow tent

Best Practices For Using Athena's Grow B Vegetative Nutrient For Plants

and nutrient uptake

This feature

Dimensions - 72*68*13 cm

Waterproof Digital Refractometer - Brix 0 to 88% HPS Making a doorway in aThis refractometer is housed in a protective, rubberized IP65 waterproof case to safeguard 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 3 minutes).