Overview of this Video This hose will be used to empty your black and grey holding tanks.
Black is used for the toilet. grey is used for shower and sink. You'll find a valve for each under your RV.
There may be a 2nd grey tank for the sink. There will be 1 outlet for the main black and grey.
You'll connect your hose to the oulet and the other end to the recepticle at the dump station or your camp site if available.
You'll statr with the black tank by opening the valve. Wait till you hear the fluid stop running. It's empty.
Shut the valve and open the grey valve. Emptying the grey valve 2nd will help rinse the hose.
Once the grey is empty, disconnect the hose and rinse with water using your green hose.
