https://pinpointleak.co.za/wp-content/uploads/2015/02/Sand-and-rubble-obstructing-in-pipe-1.jpg7501000Tina Vlokhttps://pinpointleak.co.za/wp-content/uploads/2018/04/PINPOINT_LOGO_Water_loss_GEEL_2017-300x158.pngTina Vlok2015-02-25 15:48:322015-02-25 15:52:34Sand and rubble obstructing in pipe