Bluelab EC Pen which corrects the reading with

which corrects the reading with respect to temperature

Omega 600W 240V Digi-Pro Ballast Specifications

It has a mineral-nutrient starter charge that adjusts the initial level of nutrients up to a good beginning charge

all-in-one treatment that inoculates root-zones with four strains of endomycorrhizal fungi and 11 strains of highly beneficial bacteria

Bluelab EC Pen which corrects the reading withThe Bluelab pen provides a quick and easy way to ensure the productivity of your crops by ensuring they have the nutrients they need by measuring conductivity and temperature. The waterproof ppm pen measures conductivity on the ppm 500 and 700 scales and temperatures in Celsius and Fahrenheit. With an easy to read LCD display, this ppm pen is an essential tool for a successful grow.