Jun fifteen, 2020 Increase bookmark #13 @RIPoolguy19 @Lucky13F Have you ever the two eliminated the skimmer lid (with pump off) and lubed the o-ring under the lid, it won't acquire a considerable hole for that sturdy pump to suck air in from the poorly sealed lid. Many thanks for that. https://pool.net/gartenpool-320-x-125-cm-komplettset.html