• Here is a link to the full explanation: https://rollitup.org/t/welcome-back-did-you-try-turning-it-off-and-on-again.1104810/

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  1. J

    DIY Fan Speed Controller Help.

    Hello all. I am just about to undertake my 1st grow (Cree COB LED), a journal will be posted soon. I have purchased the 4" fan below and a carbon filter. http://www.amazon.co.uk/Inline-Shower-Bathroom-Hydroponics-Extractor/dp/B00ISWJV9S I would like to have speed control but know that some...
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