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Old 01/09/2008, 01:54 PM
kielty kielty is offline
Registered Member
Join Date: Dec 2006
Location: Sarnia, Ontario
Posts: 68
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