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nano sump, co2 diffusor

Garuf

Member
Joined
30 Oct 2007
Messages
4,960
Location
Copenhagen
Okay so after looking around on some reef forums for a way of keeping equipment out of the tank and also combating evaporation whilst also providing a place for an external co2 reactor and safe dosing I came across the idea of adding a tiny overflow, much like this one:
sm_nano.jpg
and linking it to a small sump pump combo, say 2 gallons, in which I could add a pump of around 600lph which would effectively double my circulation whilst maintaining a set water level within the display tank and also providing a location to fit an external co2 diffuser, all with the bonus of surface skimming.
Is this as good an idea as it seems or am I missing something pretty large?
 

tgc

Member
Joined
14 Nov 2007
Messages
109
Location
Wirral NW England
If you can put up with the gurgling noise they are fine, when i had the overflow on my marine tank i used to spend hours fiddling with a bit of air line trying to stop the dreaded gurgle. If you can, get the tank drilled for a sump much better, if you cant then there is nothing wrong with these. :)
 

Ed Seeley

Member
Joined
3 Jul 2007
Messages
3,258
Location
Nottingham
You really need to run these overflows into a sump so that as the water evaporates there is some leeway between your topping-ups. Other wise your pump will run dry if you just try to pump straight from the overflow IMO.
 

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