NEW Tank Build !!!

[denny_CC]

Originally Posted by sphelps

Water level in the overflow needs to be lower than the display for effective surface skimming so you can't use standpipes or the gate valve to adjust tank level. The tank water level is set by the notch depth for the external overflow, you can raise it with a layer of silicone or a piece of acrylic however you obviously can't lower it. A higher flow rate from the return pump will also lift the level a bit.

yeah a thin strip of acrylic siliconed to the back side of the teeth will work good