Primal Harvest, 20 lbs spl_hf the bag itself is a

the bag itself is a 30-gallon grow bag containing just less than 20 gallons of the finest quality potting mix

It is 8" square and contains over twice the amount of rockwool as the popular Hugo block

manganese sulfate and Zinc sulfate

The Ceramic HPS produces a white light and has a much broader spectrum with an abundance of red spectral energy

providing growers the option of safely running a high wattage metal halide lamp without a protective lens

Primal Harvest, 20 lbs spl_hf the bag itself is aThis legendary "king" of bloom guanos, through eons of aging, has been naturally processed into a zero nitrogen and high phosphorus fertilizer that will aid in focusing the plant's energy on the production of flowers, fruit, vegetables, resins and fragrances and not on green leafy growth. To experience awesome yields, feed your plants the legendary Primal Harvest. For indoor outdoor plants.