Glycerin Liquid Filled Pressure Gauge, 0 – 600 psi ventilation/air-conditioning This greatly reduces the air

This greatly reduces the air conditioning required to maintain the growing environment at desired temperatures

The meter can easily and quickly be recalibrated with digital calibration to pH 4

from seed to bloom to harvest

Derived from: Fishbone Meal

Glycerin Liquid Filled Pressure Gauge, 0 – 600 psi ventilation/air-conditioning This greatly reduces the airZenport LPG600 Zen Tek Instruments liquid glycerin filled 0 600 psi pressure gauge is an excellent choice for vibrating environments, such as around working machinery and is built with a 2. 5 inch diameter ABS case with 372 plastic window, 1 4 NPT brass bottom connection and brass internal mechanism. Glycerin helps prevent icing and moisture penetration. This gauge is great for use with water systems, air tanks, oil systems and more. This quality