No.. Colosan is jut a typical colon cleanser. Epson Salts clean out the colon but also relax the bile ducts which makes it easier for stones to come out.
People have used the colosan or oxopowder for the flush, but you don't have the benefit of relaxing the ducts. If you know from am ultrasound thAT YOU HAVE CALCIFIED STones, it is better to use use Epsom Salt or magnesium citrate.