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InvisibleJohnAdams
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Lighting Distance for Cacti
    #9117858 - 10/22/08 08:04 PM (15 years, 5 months ago)

Well, just as the title says :smile: How far away should I put the light to my cacti seedlings (1 month old). I don't have much experience growing under a light, only with tobacco.  When the tobacco was seedlings I had the light about 4 inches from the top of their leaves and they did really well. Should it be the same with Cacti?


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Offlinetenacioustornado
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Re: Lighting Distance for Cacti [Re: JohnAdams]
    #9119250 - 10/23/08 12:10 AM (15 years, 5 months ago)

what kind of lights? Seedlings don't need as much light since they can get sunburned.

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InvisibleJohnAdams
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Re: Lighting Distance for Cacti [Re: tenacioustornado]
    #9120479 - 10/23/08 10:03 AM (15 years, 5 months ago)

Its a 4ft fluorescent shop light with 2 bulbs.  One bulb is 40W the other is 25W.  You think it would matter much if they were different wattages?


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Offlinetenacioustornado
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Re: Lighting Distance for Cacti [Re: JohnAdams]
    #9123638 - 10/23/08 09:00 PM (15 years, 5 months ago)

yes if fluorescent 4 inches would be fine they'll turn slightly red if too much light, but fluorescent is kinda weak HPS, or metal halide are ones that would need more distance because of heat and light intensity.

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InvisibleJohnAdams
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Re: Lighting Distance for Cacti [Re: tenacioustornado]
    #9126694 - 10/24/08 12:29 PM (15 years, 5 months ago)

Awesome thanks man


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