Please do not add your question in another poster's thread. It creates confusion and your question does not get the attention it deserves by being lost in another thread. Butterfly
I would like to run my VS at 1500 rpm. I have the main and skimmer plumbed seperate .? Should I shut off main drain to get a better flow rate to the skimmer or maybe lower water level to 1/3 wier door hieght and the try 75/25 skimmer to main ratio?