Chilled DWC used as swamp cooler

[MedicalMike420]

I have a 2-3 gallon DWC in a 5 gallon bucket. My chiller needs a minimum of 13 gallons for some reason. So I decided to cool a larger container of tap water and put the bucket in that and the cold should travel through the bucket and eventually they will be the same temp.

Reasons for doing this:
- Cool any amount of nutrient solution
- Save money on nutrients
- I only have one plant in hydro

I used to have a RDWC system that had 15 gallons with 4 plants. I moved 3 over to soil. I want to cool this single bucket

Since I have cold lean tap water can I use this to cool my room somehow? Like a makeshift swamp cooler? I was thinking about finding some sort of electric sprayer and just have a continuous mist, or timed. This would also help keep humidity up.
Any ideas on how to use this to keep my room cold?
Or any ideas what I can do with is to make it less of a waste of space in the room?

 

[mayorofthdesert]

There's only a few things I claim to be an "expert" at, and only one has any practical application- swamp coolers.

First, how's your ventilation, what's the average humidity of the air you are drawing in & what is the average humidity inside the grow room already?

The fact that you have chilled water won't give you an advantage in an evaporative cooling situation - when people feel a difference from pre-cooled water it's due to an improper set up which is almost always feeding humid air to the evaporating system. The cooler temperature experienced is not due to evaporation but simple conduction since evaporation is compromised.

Important points:
Cooling effectiveness is determined by the volume of water evaporated over any given time. Factors that go into evaporating more water - temperature, humidity and volume of intake air, surface area of water exposed to intake air, air pressure in the evaporation area (lower, ie negative pressure is better). I could add water temp to this but it's a wash at best. Colder water will evaporate less efficiently & the conduction of heat from air to water is much less than the cooling effect of evaporation.

You want to feed the driest air available to the cooler and you want to move that humidified air out of the room as quick as possible. A swamp cooler sitting in the middle of a room becomes a humidifier with little or no cooling in short order.

Happy to answer any specific questions if you decide to set something up

 

[mojave green]

Spot on mayor

 

[meadowman]

damn mayor, more info in that post then the ten threads i've read. thanks for dropping the knowledge!