Bluelab pH Controller such as expanded clay rocks

such as expanded clay rocks or coconut fiber

Mother Earth® Perlite is naturally occurring siliceous rock that expands up to 20 times its original volume when heated to 1600° F

dry concentrate nutrients

The Rainmaker® Lithium Ion Backpack Sprayer is powered by a removable and rechargeable lithium-ion battery pack (included) that can last for hours on one charge

Grow-Cubes are small loose 1/2 in cubes of stonewool

Bluelab pH Controller such as expanded clay rocksHands free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine tunes the pH levels for you. You simply set it and forget. The pH is taken care of. For use with reservoirs up to 200 US gal 760 L. Plant safe green backlit LCD with adjustable brightness and large, easy to read display. Easy to navigate menu to program, adjust settings and calibrate by a simple push of a button. Flashing high low alarm