All of our reviews are based on exhaustive research, industry experience and whenever possible, hands-on testing. When you make a purchase using one of our chosen links we’ll get a small percentage of the proceeds. This supports the site and keeps Jeffsetter running. You can read more here. Antifreeze sounds like it could and should be a dangerous chemical, and if you get … [Read more...] about Is RV Antifreeze Safe for Septic Systems?