Venturi Pump Stainless Steel

Once every 5 - 8 years is how often you should change the media inside your pool filter depending on use and how often it is back washed. How do you remove 150kg of sand or glass from a filter without allowing debris to fall down the stand pipe? With a Venturi pump commonly known as a Slurpy in the industry, attached a hose to one end and a length of tube to the other and remove your filter media like a professional.