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    Would this ventilation system cut it?

    Hello! I have a grow box, which is about 45 cubic feet in size. I am running a 250W HPS inside it, but I will definately need a carbon filter soon. So I'm looking into upgrading my fan, as the duct-booster probably won't cut it. The thing is, the fan has to pull through the filter, and then...
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    What fan to vent a 40 ft3 box - 250W hps

    Hello everyone! So, I have a question about which fan I should use to vent my cabinet. The cabinet itself is 2.5ft * 2.5ft * 6.5ft. The reason it's so tall is because it's basically an old closet I slightly modified. Anyhow, inside is a cool-tubed 250W HPS and with the current setup, the...
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    Follow the bottle instruction or PPM guidelines? Newbie question

    Hey everyone! I'm currently on my first grow and I am growing in soil. Throughout the whole time, ever since I bought myself some fertilizers, I've been wondering - should I be following the instructions on the fertilizer bottle or the guidelines I'll often stumble upon on the web - such as...
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    Seeking help - leaves turned black / dark purple

    Hey everyone, first of all, I have to say - I've learned a lot here ever since I've started lurking about, but obviously not quite enough yet, as I am in the flowering stage of my first grow and have encountered an issue and am hoping some of the great people I've seen around here could help me...
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