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    Can you convert a car radiator into an A/C unit? Room Cooling

    I have been wondering if it is possible to convert a car radiator into air conditioner since the principle looks the same and it is a lot cheaper. A car radiator cost about 200 dollars while an A/C unit cost about 1300. If anyone have experience with this please share thanks!
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    Poll: Aeroponics performance over soil, and digital ballast vs normal ballast

    Ok basically there's 2 sides of the story. Some will say that aeroponics will yield about twice as much soil (at least 30% more) but others say that the peformance is similar. Also with digital ballasts many claim that it will have 30% more output but others say its similar performance...
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    Poll: Aeroponics performance over soil, and digital ballast vs normal ballast

    Ok basically there's 2 sides of the story. Some will say that aeroponics will yield about twice as much soil (at least 30% more) but others say that the peformance is similar. Also with digital ballasts many claim that it will have 30% more output but others say its similar performance...
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    help! plants are drooping after room mate took care

    yeah u know what guy i just took out one of the roots and they've turned all brown and skinny already. when i left they were all nice white and healthy i'ma give them a good watering with only water hope that will help any other advice please let me know thanks i appreciate it!
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    help! plants are drooping after room mate took care

    I had a bunch of plants blueberry and some other strains..all nice and healthy until i left town for a week and asked my room mate to take care and they're now drooping but the stems are hard but bent. (pictures attached) I'm thinking either he put the light too low for a day or 2 right after...
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    Correlation between water hardness and bud density?

    Anyone noticed anything significant? Please share your opinions with me
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    Do you use reverse osmosis?

    and if you do what did you seem to get out of it?
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    Can I get everyone's opinions please

    I'm using a 1000w HPS and I don't think that's the problem because I've always used the same light before. I've started to control the pH by using pH down so I'll have to see how that works in the end. Meanwhile do you guys think it's THAT necessary to use reverse osmosis? because it is...
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    Can I get everyone's opinions please

    yeah and the thing is they dont look fluffy at all! they look all nice huge and compact but when I dry them i was like wtf I thought something was wrong with the scale for a sec
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    Can I get everyone's opinions please

    Ok, so I hear that by doing the same grow routines routines, yields can be different from city to city. I'm basically getting half the yield for flowers size that looks the same so I'm trying to figure out why. I've compared the differences and talked to a few people so I narrowed down to these...
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    Got only half of what I expected :(

    well my expected yield came from my experiences in the past..I've always gotten between 1.2-1.7 in the past. The only difference now is the setup and the water but I figured that its not the setup because few other people that are doing soil also got under 1 pound. The difference is between the...
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    Got only half of what I expected :(

    I was expecting at least 1.5 pound/1000w HPS but only came out close to 0.85 pound :S The buds looked very nice big and juicy before drying but after it's dried there was no weight. At first I thought the scale was wrong or the difference between hydroponics and soil but I talked to some others...
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    Calgary water (starting at 260ppm)...effects??

    Hey anyone here from Calgary or live at a place where the water starts at 260ppm? I dont know what's really in the 260 ppm but anyone know how that could affect the plants?
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    Plant wilting after 3 weeks of flower and no cure??

    This plant wilted today all of sudden and its been flowering for 3 weeks in a passive half soil hydroponics system. The same problem also occured for few other plants that were in vegetative state and so far I did not find any cure for it. The only reason I can think of right now is overwatering...
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    Any ways to dehumidify the room naturally using outside cold air?

    Has anyone ever tried to take out moisture from your grow room without using an actual dehumidifier? I find that the dehumidifier from the store takes too much power and there must be a way to replicate the same mechanism using natural cold air outside and maybe have a bucket somewhere to...
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    Getting caught with plants

    hmmm some of the sentences seems ridicuously harsh like 20 years and stuff...i mean i see information like this everywhere but all i hear about is that nothing really happens to people that grows...dont know if its true or not any of you guys heard real stories out there?
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    Virignia Tech shooting 32 people DEAD

    haha but you know what the irony is...if he smoked pot he probably wouldnt have done this because chances are he's going through stress but pot actually makes you calm..
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    Security question: electricity usage pattern?

    For the ones who have 1000w HPS setups and more, how do you guys avoid the hydro company finding patterns in your electrical consumptions? I know the amount isnt really that significant, but what i'm more worried is that them seeing a pattern like for 18 hours the hydro goes up then down each...
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    18 vs 24 hour light cycle for veggie stage

    hmmm yeah what you guys are saying both make sense, but in my mind there's a contradiction hope you guys can clear it out for me: if plants need sleep and the 6 hour of darkness is good for their growth, then how come the 24hr cycle yields more plant growth? maybe 24hrs is better for the early...
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    How many plants would it take...

    i'd use the HPS for flowering and the grow faq section has some good tips..but in terms of yields i'm wondering the same thing...how much (maximum) will i get out of 1 plant? the reason i'm asking this is because on the picture section i've seen some indoor plants that are HUGE
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