PHILLIPS 1000 watt HPS BULB is for use in 1000 Watt HPS ballast.
The Phillips Lamp is a great bang for your buck and will give your plants the light they need to flourish.
HPS lamps are suitable for virtually all plant materials including vegetables, cut flowers, potted plants and bedding plants.
It is primarily used as a flowering bulb due to its bright orange-red spectrum.
The metal halides are more commonly used for the vegetative growth stage.

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