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Hey DGC,  I ran into a very cool solution to for getting all the humidity most of us could ever need without having to spend $350+ on a commercial grade unit, plumb a water line to it, or fill it 3 times a day.

Its built out of a simple 18 gal storage tote filled with water and an ultrasonic pond fogger I got from The House of Hydro for about $200. Which sounds high for a mister, but these have been built to survive long-term in a saltwater environment, it has some crazy new anti corrosive coating. They claim you can do foliar treatments by direct fogging inside your space with your chosen agent mixed into the res or even run “fogponics” by piping fog to roots. Picture rdwc without water. Seems to have potential in theory, an experienced grower with a high-tech mindset might do awesome things with that concept. I’d love to watch a grow with it.

I placed the tote with the mister inside an old cfl microgrowcab I had retired. The cab’s exhaust fan blows the mist into the intake lung room/veg area. I run it with a simple timer for 20 mins every 1 1/2hrs during lights on to get an extra 10% in my flower room, maintaining near ideal vapor pressure deficit for the 75-78 deg temp.    I use a mixing fan so the motor is not bathed in the mist. The squirrel cage in the fan has a top and a bottom section. It intakes air from both sides of the fan. The House of Hydro site has a video on doing it with a simple radial fan blowing into the tote, forcing the fog into the room’s air through a hole at the opposite end of the tote lid. I saved a few bucks putting it in this cab.  Here’s some pics…….it works awesome, doesn’t make surfaces wet like one might think(except in very close proximity to the tote). It’s almost like a “dry” mist, for lack of a better term.  Zero maintenance other than filling it twice a week and oiling the fan bearings occasionally.

Cab with doors open. There are two 4" holes drilled in the lid of the tote.

Cab with doors open. There are two 4″ holes drilled in the lid of the tote.

Mister running. I if run it constantly it will take my entire 1800ft house to 80%! This 6 emitter unit will put more water into the air than most humidifiers at twice the price. They make a 12 emitter beast as well.

Mister running. I if run it constantly it will take my entire 1800ft house to 80%! This 6 emitter unit will put more water into the air than most humidifiers at twice the price. They make a 12 emitter beast as well.

Mister in float. Maintains emitters 1" below surface of water. Uses 20mm ceramic emitters. They included an extra set for free. I believe they are supposed to last 5000hrs.

Mister in float. Maintains emitters 1″ below surface of water. Uses 20mm ceramic emitters. They included an extra set for free. I believe they are supposed to last 5000hrs.