PHILIPS Cermalux Alto - HPS - 1000W Vitamins 10" & 12" have standard

10" & 12" have standard series inside

7 ml per gallon of water

If the probe is contaminated or dirty

always wear protective lenses

Voltage: Runs on both 110V and 240V outlets

PHILIPS Cermalux Alto - HPS - 1000W Vitamins 10" & 12" have standardHigh Pressure Sodium grow lights emit the yellow and red regions of the spectrum. HPS bulbs help stimulate flower and fruit production in plants more efficiently than other grow light sources. HPS grow lights have a good spectral distribution however, it is best to use HPS Grow Lights in addition to or cycled with, Metal Halide (MH) Grow Lights ET 25 bulb with a Mogul (E39) base Gives a warm white light