The main culprits of this are the build up of grease, food and hair which gums up the great tank stopping it from properly draining. In the event that water backs up in the shower or sink, then it could also be caused by the grey tank being completely full.

What happens if your gray tank overflows?

The gray will back up into the shower and as long as it remains contained within the shower pan, simply empty the gray tank-no harm, no foul!!!!!

Is it OK to leave grey water tank open?





You can leave your gray valve in the open position so water runs right down the drain. You don’t have to pay any attention to how full your gray tank is and you don’t have to dump it every few days. But there’s no chance for sewer odors to escape either.

Why Is My RV GREY tank not draining?

Gray tank clogs are less common than black tank clogs, but hair, food, and grease buildup can still gum up the tank and prevent it from draining. If water is backing up in the sink/shower: It’s possible the gray tank is simply full.

How do you unclog a gray water line?

Quote from the video:
Quote from Youtube video: Other tips we have is before you go rinsing your plates off clean it down with a paper towel get any gunk and everything off there.

Can you pee in an RV shower?

In general, you should not pee in the RV shower. The water from the shower goes straight to your gray water tank, and urine should go to the black water tank. However, sometimes urine ends up in the greywater tank.

Can you put bleach in a grey water tank?





When it comes to the grey tank, bleach again is the key. First scrub the shower and sink drains thoroughly, and then dump the grey tank at an appropriate facility. Then pour one cup of bleach for every 15 gallons of waste water into the grey tank.

How do you unclog a drain field?

You can use a sewer jetter to clean perforated PVC septic leach field lines from 2″ to 6″ ID. A sewer jetter can help you scrub away sticky sludge and flush out dirty residue to help reduce the need for subsequent cleaning of the lines.