Did the guards work? Won’t the snails just block the water from entering the guard area and still mess with water level?
yeah, the guards work by keeping the snails off of the overflow itself. they still reduce the water level but its almost nothing compared to a snail being directly on it. My snails can now sit on there and theres still enough flow that it wont reduce my center chamber in the back.
So
Sorry for the double post stupid phone lol and what do you mean by surface skimming? I have a skimmer in the back chamber sorry if that’s a stupid question still relatively new to all this lol
My phone does the same thing all the time lol! and its all good bud! we're all here learning! What I meant by surface skimming is in the display tank, a visible film of proteins, dust etc will usually form on the surface of the water unless there is an overflow with teeth or an overflow like on our nuvos. as the water flows through and down the overflow, it creates enough suction and turbulence to prevent that film from forming. At least on my nuvos, those guards blocked enough flow to prevent the surface skimming from taking place until I modified them by taking out a couple horizontal bars. Once I did that, that surface scum stopped forming in the display