Comment to 'I have read about HPS in the paast but isn't that mostly for the...'
  • MH, Metal halide, is the veg version of HID lighting.

    If need be, you CAN use HPS all the way through. The extra red in the light will give you extra stretch, so you'll have to deal with plant height more than with a MH.

    I veg and clone with fluorescents, and flower with HPS.

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