Customer called about whole house backup. Ran cable through roof vent stack and dropped clog. Camera evaluation found moderate buildup inside of pvc sewer lines. There is a small section 25 feet in that is holding water. Recommend a hydroscrub of both bathrooms and main line -pulled each toilet -cable from each toilet to cleanout -hydroscrub from each toilet to cleanout -camera line after. We will give further recommendations if needed. There was extreme amount of calcium buildup inside abs sewer lines. Jetted these lines twice and removed as much buildup as I could. These pipes are in much better shape and flowing properly.