Aluminum bad for fish? (related to chillers) - The Planted Tank Forum
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post #1 of 3 (permalink) Old 09-17-2008, 02:28 AM Thread Starter
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Aluminum bad for fish? (related to chillers)

As most of you probably know, aquarium chillers are ridiculously expensive ($500+ for even a low cooling capacity unit) and was thinking about building my own units to sell.

I know copper is definitely a no-no as far as shrimp and probably some sensitive fish, but are there any problems associated with having aluminum in contact with the aquarium water?

Refrigeration systems mainly use copper for the actual freon lines, but with a heat exchanger I could use aluminum tubing for handling the aquarium water.

Anyway a bit of a strange post, but I'd like to see if anyone here would be interested in chillers for the ~$250 range or so

(random picture of cooling system pieces in my garage)
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post #2 of 3 (permalink) Old 09-17-2008, 11:18 PM Thread Starter
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post #3 of 3 (permalink) Old 09-17-2008, 11:20 PM
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Aluminum oxidizes easlily so it shouldn't leach anything into the tank. I assume coils in chillers are likely aluminum too.
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aluminum, chiller, fish, safe

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