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  1. J

    Greenhouse probs

    I bought a 7x7x15 greenhouse with some standard 6mil poly film for $100. I live in southern california and currently have all the vents and door open to keep the temps 90* or lower. My main concern is keeping night temps up but closing all the vents at dusk and opening them at sunrise is just...
  2. J

    Exhaust Fan Temp Control

    I have an S&P TD-100 for my exhaust in a 4x4. Temps too low in winter, especially night temps. I have considered buying a hyper fan 6" but but if you really want the temperature control you have to spend $240. I've already spend money on my current fan that I up till now have liked. I'm just...
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