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Re: [GSAS-Member] Catalina T5HO fixture report; photoperiod?



How do I know what the plants will accept? :)

I'm looking into CO2, too... It's not THAT much for a system, might as well
give it a try. No cylinder deals on craigslist currently, but Fire King
sells recertified steel 10 lb cylinders for $75 filled. Depending on bubble
rates etc it seems like that should last at least 6 months.


On Mon, Dec 28, 2009 at 7:23 AM, Paul Wallace <pwallace@u.washington.edu>wrote:

>
>> Dear Matt,
>>
>
> Start with one bank for 8-10 hours.  Add more light as the plants will
> accept.  By tradition, new lights + no co2 = green water.
>
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