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Swamp cooling doubleing as a reservoir chiller

I was looking at copper due to ease of manipulating and the ability to make the coils myself.

Stainless is a good option due to thermal conductivity and corrosion resistance.

Trying to keep 5 reservoirs cool is my next big challenge to overcome
 
One more reason why I'm switching from DWC to FnD, lol. Unless the water gets crazy hot no need to chill. Though I never had to chill my res. It stays right at or just below the air temp in the tent. But then again I didn't run a top feed in mine so no pump heat, I just filled the res a bit higher so the airstones kept the rapid rooters moist, then dropped the water level once the roots hit the water.

I think if I was running multiple buckets and had water temp issues I'd look into hooking them all up to one main res. More water volume makes for more stability. Of course then you could run into the issue of spreading root rot etc, to all plants rather than keeping it isolated in one.
 
Howdy Graff420, I would not use a 'swamp cooler' or blow any air directly on the nutrient water to chill it by evaporation because;
1. The evaporation would tend to concentrate the nutrient levels.
2. The air from the evaporative cooler would already be saturated with water and would not reduce the reservoir temperature by very much at all.
3. And the most important reason not to try to cool the reservoir with a swamp cooler or even, dry air, is because the reservoir will be exposed to all of the mold, fungi spores, and bacteria floating around in the air. Not to mention the probability of light leaks into the reservoir, and the fact that the pads on an evaporative cooler are notorious breading grounds for the afore mentioned maladies.

I use ice bottles (.7 liter, smooth sided) in my 6 gallon reservoirs. The bottles keep the temperatures down below 70° F and last from 3 to 4 hours (with the lights on) and over night (with the grow lights off), especially when the plants are mature and shade the reservoirs.
Good luck with Your grow.
 
Shit i like that i may just buy one to use on my plant which i dont want to experiment with after this grow lmao
 
Hey i mean to use an 80 ft wort chiller so the nute water and swamp cooler water dont exchange anything thingand bacteria and anything growing in the swamp cooler stays their that and i have nothing but time to figgur out an answer to my problem the only downfall is i just put my swamp cooler up yester day and done got high kicked it over and flooded my tent smh lol but its all good my girl is doing ok
 
Their are people who have used only mist to grow hydroponics befor but idk if it would work with cannibis id have to look more into this
 
I love amazon . I don't know if I've ever been surprised what they have . I've never looked for a chiller there and used to have 3 aquariums . But I've found the same medical supplies at 1/3 the price of supply shops . I like that little chiller the last one I bought was for a 75 gal aquarium and was 600 bucks .
 
over time the salts in the nutes will eat through the copper. look at the statue of liberty, it wasn't green when we got her from the french. water softeners do the same thing with copper lines. takes a long time but does happen
 
I am a do-it-your selfer but that is hard to beat. I don't cool my res, I just remembered seeing it as "recommended " on amazon (kinda makes one a bit nervous 😩) lol.
 
Hey Tazard I made a little pipe from a box of old copper fittings in the 70s . We used it once just about thought we where on acid then someone told me nope can't use copper and threw it in the river . I thought someone dosed a bag or something .
 
I was 44 last summer, gave my then 24 yo fiancé her first hit, I did the other 9 and an MDA cap.

Effing amazing...totally diff experience than from my 20's
 
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