There are many issues that an automatic pool cleaner cannot clean including algae blooms and from time to time manual pool vacuuming is a necessity. To successfully treat algae in your pool, you will need to shock, use algaecide and then manually vacuum your pool. The size of your pool will determine the length of the hose you need. This hose is delivered with a Swivel cuff for kink-free maneuverability, you’re assured a tangle-free vacuuming experience. The hose is UV and chemical resistant; all-Weather proof. The flexible EVA and poly-welded EVA cuffs Spiral wound construction gives this hose strength, flexibility and maximum flow rate through the smooth inner wall. Superior tensile strength for crush-resistant operation. The swivel cuff end connects directly onto the vacuum head and the non-swivel end connects to the skimmer