Bluelab Grower's Toolbox lighting-&-electrical-components Silicone vacuum pad

Silicone vacuum pad

Stonington is today Maine’s largest commercial fishing port and once home to an important granite quarrying industry

CO2 injectors

These thick

Bluelab Grower's Toolbox lighting-&-electrical-components Silicone vacuum padThe Bluelab Growers Toolbox combines the essential tools you need to easily manage your crop by measuring the pH, conductivity (ppm) and temperature of the nutrient solution. Learn the hydroponics basics with the Grow Book, so you can get going. And keep growing with the ultimate handy team, the Bluelab pH Pen and Bluelab ppm Pen. These clever little pens make it easy to measure the nutrient uptake (pH), the amount of food available (ppm) and the