I am doing research on the process for sealant removal from the fuel tanks and it looks like everyone agrees that it is a huge PIA. This made me dig deeper on to what possible solutions the big companies such as "Weep no more" and others are doing to make their lives easier at such a task. It seems that they use home built system, in which no pictures are displayed, that cycles fluid through the tank and back to its source for many hours until all of the sealant is dissolved. This is by no means