Pool Valves? What do the backwash and rinse valves do for a swimming...

What do the backwash and rinse valves do for a swimming pool.
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Answers:    Backwash reverses the flow of hose in your sand filter stirring up adjectives the sand and eliminating the "tunnels" that are made from majority use. The nice part is the unwanted items is sent dwn the waste smudge and out of your filter. The rinse cycle is exactly what you would think. Rinse. YOU requirement to backwash until your sight cup gets verbs and rinse for a minute more.
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