Professionals choose AIRSHOCK for increasing water well production Some examples of numerous successful well capacity restoring jobs Notes from a working journal of Jack Maltby, owner of Maltby's Well Drilling Inc., Tottenham, Ontario, Canada June, 6: 4" well, 240 ft depth. Was acid treated 1 year before. Was producing 2 gpm. After it was airshocked it made 8 gpm. June, 16: 6" well 237 ft depth. Was flowing at 1 gpm. After AIRSHOCK it flowed at 5 gpm. July, 14: 6" well, 104 ft. depth was making 3gpm. After airshocking it made 12 gpm. August, 26: New 6" well we drilled to 269 ft. was making 3 gpm .After it was airshocked it made 9 gpm. September, 5: 4" well, 90 ft depth. Was treated with acid a week before by a different contractor. Was only 6 ' of water in the bottom when we got there. After we airshocked it and blew with the air compressor it was flowing to the ditch in 15 minutes and made 5 GPM.