What is the black stuff in my pool skimmer?
What is the black stuff in my pool skimmer? Here's what it says: "New vinyl liners often have a buildup of sticky substance that adheres to the bottoms of feet and sometimes turns black. This is plasticizer migrating from within the liner, and is usually only prevalent in colder water temperatures with new vinyl liners. Can pool skimmers get clogged? If there is a blockage, it would have collected in the suction lines. There are several indicators of a blockage in the skimmer's suction lines: the pump pulses and surges, the water intake is slow or the pump is loud...