38 how does a sand pool filter work diagram
Sand filters work by allowing water to circulate through canisters that contain sand. How do pool pumps and filters work? The pump pumps water from the pool through a filter and main drain. The water then moves through the pump to the filter. The filter then removes dirt, debris and bacteria. Water returns to the pool using a return jet. While gravity pulls the water down through the sand, the tiny sand particles catch any dirt and debris. At the bottom of the tank, the filtered water flows through the pick-up unit and out the outlet pipe. Over time, the collected dirt and debris in the sand slows down the water flow. Sand is a granular material composed of finely divided rock and mineral particles. Sand has various compositions but is defined by its grain size. Sand grains are smaller than gravel and coarser than silt. Sand can also refer to a textural class of soil or soil type; i.e., a soil containing more than 85 percent sand-sized particles by mass. How does a sand poo...