HPS vs Metal Halide for veg?

osowhom said:

i have 2 600 watt fixtures and I am using the MH for veg they are about 2 weeks before flip should I switch to the HPS now I know the light is way more intense and I dont see any benefits from the halide lamps really

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hotrodharley said:

They keep stretch to a minimum. That’s what we use them for. You can do full grows under them. Although I wouldn’t.

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osowhom said:

i see your point now i am going to do a side by side one of each and take measurements then in 2 weeks i will post my findings

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