A solution from spray nozzle specialists BETE is the HydroWhirl Storm Blaster an automated storm tank and screen cleaning system. The Storm Blaster can be configured to deliver high-impact cleaning to between 80 and 180º downward spray pattern. This and the combination of its twin head, 8 nozzle design, results in powerful cleaning to storm tanks up to 20m in diameter with a cleaning cycle of less than 10 minutes. The 4 nozzle variant can clean tanks up to 30m in diameter with cycle times as short as 15 minutes.