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Old 16-03-2010, 05:52 PM   #1
magic1980
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Default how many fan for a 4 2 2 tank

hi bro, any one with a 422 tank and using fan to cool the tank? can I check what's the min nos of fan required? ac / dc fan? thanks in advance.
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Old 03-04-2010, 03:30 PM   #2
holy_dee
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I dont think any fan can cool down such size tank as there is a limit for fan.
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Old 03-04-2010, 03:38 PM   #3
stoner
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I used 2 nos of 5" fan on my 4ft tank than and I managed to bring down the temp by appox 2 - 3*.

But the down side is that the tank can lose as much as 3 litre of water a day...
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Old 04-04-2010, 05:47 PM   #4
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i dont use a fan for my tank as i will top up the water once every week...my is a sump tank anyway....hehe
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Old 04-04-2010, 06:14 PM   #5
nev
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1 fan will do. the more u add. water evaporate faster only. temperature won't go lower.
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Old 04-04-2010, 06:50 PM   #6
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1 is enough. Max can go 2 -3 degree down only
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Old 06-04-2010, 01:53 AM   #7
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What I did was to have a small piece of glass with a 1.5" hole drilled... filled up a 1.5L "Poka" bottle...filled it up with water and upside down it into the hole...

So... as water evaporate... it'll top up by it self...
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Old 06-04-2010, 04:32 PM   #8
fionhu
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Quote:
Originally Posted by magic1980 View Post
hi bro, any one with a 422 tank and using fan to cool the tank? can I check what's the min nos of fan required? ac / dc fan? thanks in advance.
i'm using 2 in the moment.
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