A method of fracturing a downhole formation according to which a plurality of jet nozzles are located in a spaced relation to the wall of the formation to form an annulus between the nozzles and the formation. The composition may comprise at least one of Lactobacillus murinus, Lactobacillus pentosus, Lactobacillus salivarius sub-species salivarius, and Pediococcus pentosaceus. The ASHRAE or HEPA filter element is relatively inexpensive and easy to clean. Permission is requested to operatively connect to the other user.