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Anyone try natual dehumidification

Bozo

Active member
They sell a a product called dri z air they have been around forever .It is exactly like what that guy is talking about.I have 3 on my boat they work pretty good ,not sure it would keep up with a big flower room .I hate my dehimidfier it runs all the dam time uses more power and creates more heat than anything in my room .Up side is they use zero power make no niose
Couldnt hurt to try as a way to lessen load on your dehumidfier

http://www.nationalmarineproducts.com/DRI_Z_AIR_Dehumidifier_Unit_p/16133.htm
That is the unit I use on my boat
 

kaljukajakas

Active member
Sure it will work but if there's a lot of humidity then you'll probably be lugging around big bags of calcium chloride since drying the brine is a lot of work.

I'd go with silica gel: the kind that changes color when it gets wet. You could have a couple of baking trays of it and just stick them in the oven once they're saturated. And as it doesn't turn into brine when wet you can use it in more traditional filter assemblies.
 

simpleword

Active member
Just doesn't seem economical or practical for anything more than a micro grow. When flowering, my dehumidifier fills up EVERY day, at least once. That's a couple gallons of water.

The calcium chloride is 10 bucks for a 10 pound bag. It can absorb twice it's weight in water, so 20 pounds of water per ten bucks of calcium chloride. I get at least 3 gallons of water a day from my dehumidifier (during budding, I need to use a humidifier during veg), so at 8lbs a gallon, we're looking at 40 pounds of water per day. That would take 12 pounds of Calcium Chloride, and would cost 12 bucks a day. That's with a 1000 watt grow. Pretty expensive if you ask me. Also disposing of it seems like a major pain in the ass.

Although this method of using the calcium chloride sounds interesting:
"Unbelievable...Our basement is 1400 square feet. I've been running a dehumidfier 24/7. Still have mold and mildew problems. I put a pie tin of calcium cholride in both ends of the basement, by morning they were both overflowing. I had to use collanders w/ 5 gallon buckets to accomodate. CAN THE WATER BE POURED DOWN THE DRAIN?"
 
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