We plan to camp at Fort Pickens in Florida and there is no full hook ups. The holding tank is like 20 gallons for black and gray, so total of 40 gallons. Its too small for a family of five to camp thr...
I use a portable tank that is big enough to drain both tanks in three trips to the dump station. I haul it in the bed of my pickup - it doesn't take up storage space. You can get a smaller one if you like hauling waste water - me, I want to get it done as fast as possible. BTW, these tanks usually hook to your hitch so you can pull them to the DS.