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Thread: Week 5 flower

  1. #11
    Viz Guest

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    Nah don't cut it off it is still green and will be doing some work for the entire plant.

    If you are in a tent and you have extraction fan and filter then you should be able to manage your heat quiet easily. The HP lamps are very well priced compared to even CFL to be honest. Invest in a dimmable ballast and that way you could always upscale in the future. Lots of well priced products out there.

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  3. #12
    Bulls Guest

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    I am sure you get dimmable ballast with 75w and 150w hps ... can't find one on the bay must chase M_C if you want mate? Sure he knows how to find one and a bulb as well..
    Or you can go for a 600w dimmable ballast that goes down to 250w and use 250w dual spectrum sunmasters bulb

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  5. #13

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    Legend Viz


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  7. #14

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    Quote Originally Posted by Viz View Post
    Nah don't cut it off it is still green and will be doing some work for the entire plant.

    If you are in a tent and you have extraction fan and filter then you should be able to manage your heat quiet easily. The HP lamps are very well priced compared to even CFL to be honest. Invest in a dimmable ballast and that way you could always upscale in the future. Lots of well priced products out there.
    Should I go dual spectrum 250w hps or flowering only spectrum?

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  9. #15
    Viz Guest

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    I like the dual spectrum because it covers all the bases.

    A 600W digital dimmable ballast, with lamp and reflector will set you back less than £90 on Amazon, so pretty sure you could get it for cheaper on ebay or at some of the grow stores possibly. Not looked for a 250W as yet but would be cheaper I would say.

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  11. #16

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    Hi mate ...Don't know if it's been mentioned but id look into getting a cool tube reflector if you're going hps ...That's a small space ...it'll help keep your lights on temps down ...

    Peace out. ..

    Sent from my mind to yours

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  13. #17
    Viz Guest

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    Good point MrD.

    Would hope that 250W should just be about right for that space with a reasonable amount of air flow. Assuming the grower is based in Northern Hemisphere that is. In summer might get hot.

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  15. #18

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    Quote Originally Posted by Bulls View Post
    I am sure you get dimmable ballast with 75w and 150w hps ... can't find one on the bay must chase M_C if you want mate? Sure he knows how to find one and a bulb as well..
    Or you can go for a 600w dimmable ballast that goes down to 250w and use 250w dual spectrum sunmasters bulb
    Did someone mention me?

    All the dimmable ballasts I can find only dim down to 150w. Interestingly, 150w is the lowest dual spectrum bulb I can find too (which is a pity)

    I do have a 70w ballast that I got from Ebay a couple of month ago & I can get 70w MH & HPS bulbs for it

    If you were going the HID route in your tent then a 150/175/250w/SL would be a better choice than a 600w that dims to 250w as it is very doubtful that you could get the ballast to run at 400w (or above) in your tent...

    I would also look at a cool tube which will help with the temps
    It's Not What You Know, It's What You Can Prove

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  17. #19

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    Top advice thanks!


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  19. #20
    Bulls Guest

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    You're sorted mate

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