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  1. R

    How much water to use for a general hydroponic pH testing kit?

    I lost the test vial it came with and I don't know how much water to mix with the 3-5 drops of PH test indicator. It says to fill test vial about half way, than add 3-5 drops of PH test indicator. Then mix. I need to know how many tablespoons or something that is in half a vial
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    Difference between cheap LEDs from China and Expensive well known LEDs?

    What makes a 300W LED from China so bad compared to an expensive LED. I'm asking because I'm looking at this: http://www.amazon.com/gp/aw/d/B00V80UQR8/ref=psd_mlt_nbc_B00WHF830K_prb
  3. R

    Good cheap LED lights for 2x2 grow room?

    I'm looking to upgrade to LEDs from CFLs. I want a LED that I can use for Veg and Flowering and for a good price. I'm thinking around 300 Watts. I want just one lights also I don't want to have to buy one light for veg then another for flowering. Any recommendations for a LED? Also is it better...
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    How do you humidify a ventilated indoor grow room?

    I'm trying to get my environment perfect before I start my grow but I have a problem with the humidity. My humidity with the lights on is about 40% at 75F. This isn't too low but I want to able to raise it 10-15%. I have a Vic's humidifier running the whole time but I also have ventilation...
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