1) firstly, the cover of water storage tank and it’s nearly places is clean with high pressure rotary jet machines 2) secondly, the remaining water from the tank is drained out through water suction unit 3) in the third stage, we spray antibacterial agent into your storage tank to make it virtually bacteria free 4) in the fourth stage, we clean the inside walls of storage tank with the help of rotary jet machines 5) in the fifth stage, all the sludge and pollutant muddy waste is sucked out through industrial vacuum cleaner 6) finally we use ultraviolet rays to kill the atmospheric bacteria from your tank.1) firstly, the cover of water storage tank and it’s nearly places is clean with high pressure rotary jet machines 2) secondly, the remaining water from the tank is drained out through water suction unit 3) in the third stage, we spray antibacterial agent into your storage tank to make it virtually bacteria free 4) in the fourth stage, we clean the inside walls of storage tank with the help of rotary jet machines 5) in the fifth stage, all the sludge and pollutant muddy waste is sucked out through industrial vacuum cleaner 6) finally we use ultraviolet rays to kill the atmospheric bacteria from your tank.