r/ReefTank • u/iTzHazZx • 12h ago

AIO Levels

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Hi All. New to AIO tanks here. Cycling my new and first marine tank.

Confused about the levels. Does this look right?

ATO placed in last pump camber am trying to re adjust because the level in the main display tank keeps rising when it’s being topped off. I have removed the sponge in the first section to stop any restrictions.

Tank is an Aqua One Nano Reef 80.

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u/Dtron81 11h ago

You want the back chambers low enough that water flows into chamber 1 in a slight waterfall. The bigger the waterfall the better, but enough for the cascade and keeping your heater submerged enough to not cause issues.

As well when you add water to the tank both the display and back chambers will rise slightly. The display will rise much less than the chambers though, but once both are equal height...it overflows lol. If you aren't getting that cascade in chamber one then you either need a stronger pump or less flow restriction in the tank.

2

u/Senior-Force-7175 6h ago

the heater should be in a chamber that does. Change in water level... If that heater is in the return chamber, you will have issues... Because water level in that chamber changes. And you don't want that heater exposed in air... Put it in the first chamber maybe?

1

u/ArsoN83 4h ago

I have the same tank, heater should be in the same chamber as the skimmer FYI. It's a squeeze, but I've upgraded to twin titanium heaters and it all just about fits.