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    I want to help improve your grow room

    (First I want to start by saying I sent an email a couple weeks ago to rollitup regarding this topic but never received a response. I am going to assume its ok for me to post this as I am not doing this for huge profits.) I have really enjoyed the RIU forum and all its members’ wealth of...
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    I made an in line odor eliminator

    I wanted to try out the "DIY" odor bucket idea and this is what I came up with. (I will mention thanks to sparkafire & videoman for the original diy threads that gave me the idea) If I recieve good feedback on these I may try to market them so let me know your thoughts. SPECS: -5 gallon...
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    250w mh bulb and ballast Q

    i just picked up a 250w ballast/hood. It came with a philips 250Wr bulb (also says 250/u). I was wondering if this was a good bulb or if I should upgrade it. also, anyone ever heard of a 250w future-brite electronic ballast? Thats the kind I got but I can only find 400/600/1000w ballast by the...
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    wet vs dry volume

    I understand that wet vs dry weight is about a 75% decrease but what about volume? if you fill a jar up with fresh wet bud, how full would it be once its dried?
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    ph change question

    my water source has a ph of 7.5 I know I need it to be lower. How much can I lower the ph from feeding to feeding? Could my next feeding be 6.5 if it has been 7.5 everytime before? I feel like it would shock my plant
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    can i use natural creek/pond water for indoor grow?

    there is a fairly fresh/clear running creek and some ponds around where i live. they have neutral ph levels. is it ok to use these water sources for an indoor grow?
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