Separate skimmer container

[CherylMcKay]

Originally Posted by intarsiabox

So you have (2) 1" drain lines going into a sump with just a skimmer in it and from there is a single 1" line that goes into another sump that houses your return pump? Is this correct?

Yes

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[The Grizz]

Can you change the 1" line going from sump to sump to a 1 1/2" to open it up some more & give the flow more breathing room? Maybe just add 1 or 2 more 1" lines. If there's is 2 - 1" lines going in there should be atleast 2 - 1" or bigger lines going out to return side.

[banditpowdercoat]

I have a herbie variant overflow. One fixed drain into sump, as well as the emergency overflow drain. The gate valve drain goes to a rubbermaid beside tank. Higher than sump. Skimmer is in this rubbermade and it drains via a Durso drain to the sump.

[Albertan22]

In regards to one of your original questions, my ATO goes into the return compartment of my sump. Evaporation will always show up in this compartment with the water level dropping there first. If you're pumping top-off water into that skimmer compartment which sounds like it's already restricted by a drain line limitation it could lead to problems raising the water level in that compartment and make it hard to keep your skimmer adjusted.

Is there any mechanism to control the water level in the skimmer compartment? Are you having trouble with this compartment flooding while your return pump goes dry?

[The Grizz]

Oh yes that too, ATO should only be pumped into the return pump section so I totally agree with the above advice from Albertan22