Cheap DIY chiller

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Cheap DIY chiller

Postby Sourav Bhowmick » Fri Aug 14, 2015 3:40 pm

Hi guys, I've make a new design of DIY chiller. It should work good for small and medium sized tanks

Material needed
1. few thin glass tube of same length
2. few 'U' and 2 'L' tube bent

These can be obtained from chemistry lab shop
3. Thin Glass to make a glass box
4. An appropriate thermocol box to fit the glass box perfectly into it
5. tubes
6. silicon glue
7. power head
8. chilling gel used for cooling medicine

here is the diagram. Hope it explains the idea. waiting for your comments

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Last edited by Sourav Bhowmick on Fri Aug 14, 2015 3:47 pm, edited 1 time in total.
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Re: Cheap DIY chiller

Postby Sourav Bhowmick » Fri Aug 14, 2015 3:43 pm

chilling gel is sold in plastic packets. We have to cut the packet and pour the gel directly into the glass box. it will help to cool the water running through glass tube submersed in the gel.
Each time you have to put the glass box in deep fridge so making another set will be beneficial.
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Re: Cheap DIY chiller

Postby Sourav Bhowmick » Fri Aug 14, 2015 3:48 pm

It is like a big liebig condenser :)
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Re: Cheap DIY chiller

Postby Rohan » Fri Aug 14, 2015 5:14 pm

What would be the power consumption?
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Re: Cheap DIY chiller

Postby Sourav Bhowmick » Sat Aug 15, 2015 1:19 pm

As minimal as running the power head. My refrigerator runs 24x7 so cooling part is free :)
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Re: Cheap DIY chiller

Postby dbanerjee206 » Sat Aug 15, 2015 1:42 pm

Be mindful that you cannot control/limit the temp in this fashion even if you are able to cool the to some extent. That will cause a lot of temp fluctuation. Another suggestion is to use copper tubes instead of glass tubes for better efficiency.

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Re: Cheap DIY chiller

Postby Sourav Bhowmick » Sat Aug 15, 2015 1:49 pm

Copper is a no no for most of the tanks. Specially for a shrimp tank like mine. This gels stay chilled for 8-10 hrs without thermocol box. If you can make a second one, temp fluctuation wont happen. Yeah, i wont be able to regulate temp.
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Re: Cheap DIY chiller

Postby Soumya Sarkar » Sat Aug 15, 2015 1:52 pm

dbanerjee206 wrote:Another suggestion is to use copper tubes instead of glass tubes for better efficiency.


Then the tank water will be in contact with copper tube and read somewhere using copper is not good for inverts and also for some plants.....
maybe in small amount but you cannot control copper leaching this a way....... :|
I have learned how to be a learner.....
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Re: Cheap DIY chiller

Postby Sourav Bhowmick » Sat Aug 15, 2015 2:03 pm

Only drawback i see in this design is you have to blow all the water out of the glass tube before cooling it again. Eitherwise disaster will happen :p
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Re: Cheap DIY chiller

Postby Sourav Bhowmick » Sun Aug 16, 2015 12:11 pm

So, no suggestions from you guys... :-s
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