EntityQ12153477· pop 6· linked from 2 articlesskimmerSign in to saveswimming pool cleaning deviceConnectionsfungiEntitychemical elementEntityvirusEntitybacteriaEntityleafEntitychlorineEntitybromineEntityalgaeEntityultraviolet radiationEntityprotozoaEntitypathogenEntitycalcium carbonateEntityaluminium oxideEntitysurface tensionEntitysea waterEntitysunscreenEntitycircular motionEntityQ460173EntityweirEntitycapillary waveEntityCategoriesCleaningSwimming pool equipment