Mars Hydro 4' x 4' x 6' 8" (120cm x 120cm x 200cm) Indoor Grow Tent Commercial Lighting This electrode has a triple

This electrode has a triple ceramic junction in the outer reference cell and the conic pH sensing tip is made with low temperature glass

These machines are specifically designed to trim both wet and dry materials

it delivers steady performance

per gallon for a concentrate feed solution

Mars Hydro 4' x 4' x 6' 8" (120cm x 120cm x 200cm) Indoor Grow Tent Commercial Lighting This electrode has a tripleDescription Mars Hydro grow tents use 1680D thick canvas, heavy duty steel poles, and SBS zippers, creating a non toxic human work environment while using high quality materials and locking all light in. Easy observation view window, removable floor tray, and a tool bag to help grow the plants indoors more conveniently. No Light Leakage: Mars Hydro indoor grow tents are made of tear resistant 1680D canvas, as well as heavy duty SBS zippers and double