Cleaning and sterilizing tanks in Jeddah Insulating water tanks in Jeddah Treating leaks inside the tank that cause an increase in the water bill with the National Water Company. [Steps for cleaning an underground water tank] • First, we completely empty the water in the tank and stir up the sediment inside the tank This is to eliminate and get rid of it with the water, then let it dry well. • In the stage of emptying the tank water, this water should not be used for drinking or even cleaning things. • After emptying all the water inside the tanks, algae and sediment remain stuck to the bottom of the tanks, which must be scraped and removed. • We also use a brush with a long handle to get rid of all the sediment and algae inside the water tanks or go down inside the tank. • We repeat this step more than once to get rid of all the sediment and deposits in the tanks. • After the tanks are completely cleaned, we sterilize and disinfect the tanks by using disinfecting and sterilizing materials and chlorine in an appropriately permitted ratio.