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  1.     
    #1
    Junior Member

    SHOULD I SWITCH OR SHOULD I NOT?

    My plants are two weeks old and veging under 600w MH. Is it safe to switch over to HPS at 2 weeks and keep the light on 24/7? What are some of the benefits and problems I could run into?Attachment 289162
    Brushog Reviewed by Brushog on . SHOULD I SWITCH OR SHOULD I NOT? My plants are two weeks old and veging under 600w MH. Is it safe to switch over to HPS at 2 weeks and keep the light on 24/7? What are some of the benefits and problems I could run into?289162 Rating: 5

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  3.     
    #2
    Senior Member

    SHOULD I SWITCH OR SHOULD I NOT?

    I use to switch from MH to HPS after 4 weeks vegging. Now, I just stay with MH though the whole grow.

    I also have better results with 20/4 in vegging. (18/6 in summer time)

    ...but, you can switch to HPS at any time. Most growers that switch; do it at about 2 weeks after going to 12/12 flowering cycle.

    Some strains prefer MH. Some prefer HPS.

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