On full hook up sites there will be a 4" pvc pipe sticking out of the ground on your site. I use my standard hoses but I did buy a 90 degree elbow to use on the end of the sewer hose to go into the 4" pvc. That way, it kind of seals the stink in the pipe. Make sure to leave the black & gray valves closed until the tank is full, then empty the black tank and flush the hose with the gray tank. Repeat as needed.
2011 Coachman Freedom Express 295RLDS- Sold
2015 F-250 FX4 SUPER DUTY 6.2L Gas 4WD SuperCab XL 3.73 rear / 158" WB / 8' bed. Factory anti-sway and brake controller