Mars II 1600! Super Monster Scrog Pounder

KingJohnC;2174329 said:

skunnymonster;2170738 said:

Another great update CO

I've asked this question before but it was overlooked. Why do you like to grow under negative pressure, is it to control odour or is it beneficial to your plants?

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we aim to maintain negative pressure in the grow area to regulate where the air intake is and filtered from and then to keep any odours or pollen from escaping the grow area without filtration before it is exhausted.

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