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    Still Yellowing... PLEASE HELP!!!!!

    Do you have the water that high all the time in the grow rock? those cubes can get to wet also.
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    Carbohydrates for ENHANCED FLAVOR

    I would have to go with bud candy if money is no object as it has simple and complex carbs.
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    Global Warming... Oops, I'm Sorry It's Now Called CLIMATE CHANGE :lol:

    Well lets just say this, we have 100 years b4 our population is out of control and resources are gone, good morning
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    Spider mites at flowering stage

    I wouldn't put anything on if your in the last 2 week of flower, just pick the most affected leaves is all you can do and cross your fingers. I am not a believer in spraying anything on your buds, most stuff will kill the hairs. Is the infestation bad at this point?
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    Fertilizer levels to nothing in 2 days

    ok here is my deal i grow in a dwc recirculating system. I put my fert to the right levels 750ppm and within 2 days the fert is down to 50 ppm. Is this a matter of me not fertilizing enough? i am running my advanced nutes at 1/2 strength as i have found running full strength is to much with a...
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    Sulfur burners

    I have a question about sulfur burners, what is the right temp for sulfur burners? Going to use a hotplate and aluminum pan. Ive seen 140c, 160c and 190c is there a best temp for this? Ok i found info on the flash point at 207.2 c guess i answered my question hehehe
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    Whats best for cool tube??

    I have 6 cool tubes and i push the air through all the lights i don't want all that heat going through the fan. but my room is sealed with co2 so i suck the air in and blow it through the lights and back to the outside world.
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    Sealed Room Questions!

    The one i got seems to be the cheapest price wise and works fine. cap ppm-3 and my cd-36 from green air products. I found the burner and controller on craigslist i always try to find used stuff first the burner was used and the controller was a return to a hydro store here in sacramneto. even...
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    Sealed Room Questions!

    Any hydro store will have the controllers. otherwise yes you do need to do calculations if you do a timed setup with either a burner or tank.
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    Sealed Room Questions!

    I have a setup similar to yours with 6 1000's and a 12x16 area. I bought 6 cool tubes from hydro farm and am playing with how much heat i can take away with ducting all 6 lights as it is summer and didn't want to buy a huge a/c unit. Ducted all the lights with 6 inch insulated ducting from...
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