DYI help? water cooled with mini chiller 6" 400w HPS Tube Grow Light 4-27-12

yeps420

Active Member
Hello people... I need a little help with a project.
Im looking to make a DIY 400w water cooled tube grow light with self chiller -- YEP -- lol

Anyone have a link to a good water cooled tube light DIY ?

Has anyone done one themselves ? Advise and thought are welcome and if ya got a better
way to go about it. Chime in.

Thought I would throw this out and see what comes up...
I should have all part by Monday/Tuesday. Plan on making Tuesday/Wednesday




Things to come.

So I come across a sweet deal and pick up one new 400W

6" 400 w Sun Tube Grow Light, Harvest Pro MH + HPS Ballast


Starts me thinking about heat. Really don't want to deal with AC yet outside temp are going up.
I look into water cooled chiller/Tube's.. Ouch.$$$

Having built a ton of computers (which get hot) it dawns on me.

I now have 2

Copper Radiator About 5" x 4" x 1-1/2"


Last yet not least I found a

Corsair Nautilus 500 Water cooling Kit with CPU Block, Cooling Unit and Tubing


My thinking.

basic frame around the rim of radiators for fin protection-

2 - 6" to 4" reducers flanges
2- 6" wide extension tube's around 4 inches long

Take the radiators and place into the Extension tube attaching with JB weld type product
Drill 1/2 holes for the hoses.

Place one on each side and connect the air reducers one side connected to the scrubber and the other Either out the window or if it works well enough.
I will just leave the other extension open to the room.

The Nautilus 500 Water cooling is small yet I have used one before and they work great on computers.
I need to make a simple power cord.
Thinking mount 2 rings to the base of pump and mount on top the light(removable and movable)

Made to run with a small amount of fluid around 5 oz.
uses a fan to cool water
Looking for a good anti-freeze type fluid to use instead of distilled water.

I am hoping to daisy chain the 2 radiators into the one pump there by giving me a couple extra oz
once I prime the lines.


If not enough temp drop I will then use the N-500 for one side and connect a small water pump
place into a 5 gal ice cooler and freeze 1 gallon containers of water.
( 5 gal ice cooler with 3 gal water and one frozen gal) then connect that to the other radiator.

Spent so far
$114. new Light
$9. x2 new Radiators
$35. used D-500 water cooling system.


Thankz fer ya time.. Yep.​
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