Power Plant Metal Halide green diamond ab 5 ml/L (2-10 ml/Gal) to

5 ml/L (2-10 ml/Gal) to your nutrient reservoir

and because they come unassembled

Suitable for Rockwool

It allows more light to be absorbed

Power Plant Metal Halide green diamond ab 5 ml/L (2-10 ml/Gal) toThe PowerPlant Metal Halide SuperVeg (also known as retro fit) lamps run off High Pressure Sodium control gear, and are ideal for vigorous vegetative growth. There is no need to have two different ballasts, simply use the SuperVeg lamp during vegetative growth, and change to the PowerPlant Super HPS lamp for flowering, all using the same HPS ballast This allows the grower to give the plants the perfect Grow spectrums and Bloom spectrums for optimum