you can get it a bit better I sish the injector hole was smaller then you could get better skimm from it do not fiddle with the one that it comes with. My aqua medic T1000 multi skimms black mud or ink. Its realy stinky almost pay to the porcilin god when I clean it out almost every time. Had a cold the last couple times so good thing still could smell it.
My daughter will not use that washroom for and hour or two after.

Bill