Fan Controllers

[wutang]

I run a 5 inch RVK with an SMS controller. The only humming is at speeds so low you wouldn't use them.
If you're UK £18.50 on eBay Grimsby Hydroponics for a used one.
At the moment the fan is running a 1.2m grow tent and 60cm drying tent.
Sorry couldn't put a link up as I'm clueless how to

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Thanms for your input :) What is the full size of your grow tent? Cheerd

[wutang]

@wutang id say it’s a question of how much extraction you need with regards humidity and temp, I’m running led lights so temps not a problem for me on the hot side but it’s starting to become a problem on the cool side hence the heater and turning my extractor down, I watched a video and this chap in a grow shop had done co2 tests and to keep the co2 levels up the amount of extraction needed is very low indeed, so my controlling factor is humidity hence why I want a small dehumidifier so I can run with minimal extraction and keep my heat in, not quite sealed but close.

Yeah, I learn more as I go along, many factors to consider and how it effects the plants. First time I've put a heater in as usually it was too much heat that was the issue etc.

[Treetrunk]

1.2 X 1.2 X 2 metres.

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[Son Goku XD]

a lot of knowledge about fans herethanks

[wutang]

1.2 X 1.2 X 2 metres.

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Okay, do you find that you still have decent negative pressure if you turn it down and not let odur slip out? Thanks bud

[Treetrunk]

Worked with four stinky green cracks. You need a good filter.

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[wutang]

Worked with four stinky green cracks. You need a good filter.

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Cheers buddy, that puts my mind at rest. I thought I'd under speced my fan and filter. Ive got a rhino pro 5"