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Old 01/09/2008, 12:54 PM   #1
kielty
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Average daily evaporation for a 4'x18" surface area

Wondering what you guys are experiencing for an average
daily vap. rate for a 90 gallon tank with two MH's ...
Trying to figure out return section capacities and would appreciate any inputs as far as what is a normal daily loss.
Obviously higher in the winter but looking for some ball parks.
Thnks in advance

Cheers,
Brian


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Old 01/09/2008, 01:03 PM   #2
seapug
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I have the same tank/light setup and I lose anywhere between 1/2 and 1 gallon/day depending on whether or not I'm running fans.


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Current Tank Info: 200 gallon custom Marineland DD peninsular tank. LPS dominated mixed reef. Previous 90 gallon mixed reef TOTM April 2009.
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Old 01/09/2008, 01:15 PM   #3
kielty
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Do you run your fans (or one of them 24/7) are you losing more
with the fans on (more air movement) or with the fans off
(more heat/more evap.)??? Sorry for the newbie question?


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Old 01/09/2008, 01:21 PM   #4
not_sponsored
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I lose about 3/4 of a gallon a day with no fans.


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Old 01/09/2008, 01:28 PM   #5
seapug
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running fans will increase the amount of water you lose to evap. I run fans when needed to keep the tank cool on warmer days.


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Current Tank Info: 200 gallon custom Marineland DD peninsular tank. LPS dominated mixed reef. Previous 90 gallon mixed reef TOTM April 2009.
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Old 01/09/2008, 01:32 PM   #6
kielty
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thanks for the replies


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Old 01/09/2008, 04:10 PM   #7
LobsterOfJustice
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I think I lose 3 or 4 gallons per day, but I have additional surface area of 2 30 breeders and I run fans constantly.


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Current Tank Info: 180g reef with all the bells and whistles
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