I did a surge test today on the skimmer. Most skimmers have surges in the flow which upsets level and your cup floods. This can happen after a power outage or any reason that might cause your sump to overflow. When your mains start the water surges into the skimmer. Because my skimmer input is manifolded to the main feed pump, it surged and flooded the cup. If you have a separate pump postioned correctly or gravity feed this surge effect can be avoided.
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