Philips Master GreenPower 600w (Dual Spectrum) Bulb plant health Growers use the formula to

Growers use the formula to achieve high harvest yields and excellent crops

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with no burning or the need to spray the undersides of leaves

If you are unlucky enough to have water with an EC above 0

Philips Master GreenPower 600w (Dual Spectrum) Bulb plant health Growers use the formula toMASTER GreenPower 600w dual spectrum bulb The Philips Master Green Power 600W HPS lamp is a dual spectrum lamp with a high 88,000 lumens output. The lamp produces light in the orange red part of the spectrum for excellent flowering plus a generous amount of blue for healthy plants and vegetative growth. Lumens is a measurement of total light output, not the amount of light that plants can actually use. The Philips Master Green Power 600w HPS has lower