Quote Originally Posted by projectinfo
temp outside room is 24, so the intake part of the blower hoooks into the hood maybe open one hole up to take in more air from outside the hood and blow the exhaust outside
Yes. You need to draw in air from outside the room.. and you need to exhaust outside the room.

Set your exhaust high and set your passive intake low. If you're using 6" ducting then have at least 1 6" hole at the bottom of your grow area as a passive intake, but it may be likely that you will need 1-2 holes.

After you get your heat issue addressed then you need to address your water/nutrient issue.

Honestly I would suggest you stop using bottled water all together and just use the water out of your tap. Be sure to PH the water to about 6.5 and that your run off is coming out between 6.3 - 6.8.

This is of course after you flush your plants as I explained in my first reply.

There are a few things you need to do to get these babies back on track. Address your heat issue first (3ft above the canopy and still 30C temps is ridiculous) then address the other things I outlined.
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