How To Use Progressive Web App aka PWA On 420 Magazine Forum
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Hello there
Yes 600w is enough for your space but personally i would put less plants in, as less is more in my opinion, 4-5 would be great, more space per plant = better yield strain dependent
As for the type of light 600w hps is a very good flowering bulb as it is mainly red spectrum and this is what plants uses most in flower. A Mh is a better veg light as it has mainly blue spectrum which promotes less inter-nodal spacing and more vegetative growth. A mix of both would be ideal but not necessary. Hope this is helpful just my thoughts