Upon arrival spoke with the homeowner and she showed me the location of the septic tank and explained to me that it was starting to back up, after further evaluation i then gave multiple upfront options and pricing, after signature approval On pumping up to 1000 gallons and not agitating I explained to the homeowner that without agitating it gets about 80% of the tank clean in about 20% does not come out of the tank do to not agitating, I then began to pump the tank After pumping the tank I then placed the lid back on and cleaned up all tools and materials. - pump up to 1000 gallons - without agitation it only cleans the tank about 80% - $79 coupon