Grower's Choice GC 1000E HPS/MH/CMH 208-277V AC - No Bulb Carbon Filter_4 Inch If the soil is too

If the soil is too acidic or too alkaline

Notice: Do NOT add A&B at the same time

components to maximize yield in mature flowering plants

Kelp extract provides the soluble potash used in Bloom Khaos foliar spray

Grower's Choice GC 1000E HPS/MH/CMH 208-277V AC - No Bulb Carbon Filter_4 Inch If the soil is tooDimmable Option The GC 315 and GC 1000 Digital Ballasts allow lamps of various wattages to be operated in the same unit simply by adjusting the dial on the ballast. Each lamp will be operated to the exact specification that the lamp requires. Smart Step Technology By turning the dial on the GC Series Digital Ballast you can reduce the output of a lamp when not so much power is needed. Just turn the dial again to step back to full power. Super Lumen