Slow drain

[Flyitrite]

I have a 2021 Dream and the kitchen sink drain is slow to drain. There is not a p-trap so I figure it has to have some form of flap check valve.
I need a recommendation on the solvent to use for cleaning the inner surface of the lines.
Bill

 

[team bradfield]

I have a 2021 Dream and the kitchen sink drain is slow to drain. There is not a p-trap so I figure it has to have some form of flap check valve.
I need a recommendation on the solvent to use for cleaning the inner surface of the lines.
Bill

Check your galley tank vent, might be obstructed