Questions about evaporation

t316

Active Member
It may be the only place you "see" a lower water level, but I assure you that evaporation is occuring all over. You don't notice it in your display tank because the return pump is keeping it full. Naturally the only place you will visibly see loss is in the sump.
 

geoj

Active Member
Because the return pump tops off the evaporation of the other parts of the tank.
 

kube

Member
in my sump the first compartment is the hieghest as the over flows fill it it overflows into compartment two which is not as high, as it fills from the overflow from compartment one it cause it to overflow into the last compartment which is were the return pump is and is being feed by the overflow of the other compartments this is were you see the evaporation...kinda confusing but once you see a picture and see it in person it makes perfect sence....wow i just reread that and it sounds confusing.....
 

florida joe

Well-Known Member
Your return pump is at a constant gph as long as the total volume of water in your system allows for you return pump to take water from your sump add it to your DT and have that water added over flow your overflow box you will maintain that level in your tank. As you get evaporation the total water volume decreases BUT in as much as your return pump is at a constant it is still adding water to your DT at the same rate. (Cresting the weir) thus the evaporation is not noticeable in the DT
 

stdreb27

Active Member
Originally Posted by florida joe
http:///forum/post/2938524
Your return pump is at a constant gph as long as the total volume of water in your system allows for you return pump to take water from your sump add it to your DT and have that water added over flow your overflow box you will maintain that level in your tank. As you get evaporation the total water volume decreases BUT in as much as your return pump is at a constant it is still adding water to your DT at the same rate. (Cresting the weir) thus the evaporation is not noticeable in the DT
And the DT is feeding the first part of the sump, which overflows into the return pump area. Meaning your return pump area is going to be the only place with a lowering water level.
 

snakeblitz33

Well-Known Member
Originally Posted by GeoJ
http:///forum/post/2938086
Because the return pump tops off the evaporation of the other parts of the tank.

Originally Posted by florida joe
http:///forum/post/2938524
Your return pump is at a constant gph as long as the total volume of water in your system allows for you return pump to take water from your sump add it to your DT and have that water added over flow your overflow box you will maintain that level in your tank. As you get evaporation the total water volume decreases BUT in as much as your return pump is at a constant it is still adding water to your DT at the same rate. (Cresting the weir) thus the evaporation is not noticeable in the DT

Originally Posted by stdreb27

http:///forum/post/2938545
And the DT is feeding the first part of the sump, which overflows into the return pump area. Meaning your return pump area is going to be the only place with a lowering water level.

T316
 
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