Stopping Splashing

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Is there a way I can minimize the splashing that goes on in my sump. The overflow pipe and the output of my skimmer empty into the overflow section of my sump. Both pipes are about an 1" above the water level and I get lots of splashing that is leaving salt creep everywhere. I was told to keep these pipes above water because there should be an air gap. Can I do something to reduce the splashing?

Thanks