GP Carbon Filter Flavor and Sensi Cal-Mag Xtra is

and Sensi Cal-Mag Xtra is the only hydroponic additive tested on and designed specifically for the types of plants (wink wink) you grow

ascorbic acid (as ascorbate) revs up photosynthesis

SolisTek MATRIX DE digital ballast designed for double ended lamps 120/240V (208V Compatible)

which plants use as building blocks and large populations of beneficial micro-organisms used as a food source

Suitable for every substrate

GP Carbon Filter Flavor and Sensi Cal-Mag Xtra isThe GP Filter is one of the best selling activated carbon filters and is fast becoming the preferred choice for odor removal worldwide, especially plant pollens and odors. The secret lies in the ultralight RC 48 carbon used inside every GP Filter. Odorous pollutants only need to contact a GP filter for a fraction of a second to be totally eradicated from the air with 100% efficiency. This 24carat carbon source makes for the lightest, smallest and most