DISPUTE: Leave RV Grey Tanks Open or Closed

[@ChasB2010]

Closed! Use the grey to flush the black effluent after dumping the black tank.

[@dondartt684]

Closed. Trying for 2/3 before dumping because it helps flush out the tank. Changed my vent cap on the black helps with air flow so less stinky.

[@scottkelley9919]

Good to see you back.

[@Wandering_Kerrs]

You can leave the gray open if you leave the hose with a "P" trap. Most people use something to elevate the waste hose. If you let the end of the hose by the sewer inlet hang down and form a "P" trap, it will stay full of water and smells, flies etc can not come back into the RV. If you are going to leave the gray open, always put in aP trap.

[@joethecomputerguy1]

Closed.

[@kathyzehner9660]

First like! I feel honored! Thanks, we agree.

[@jaylewis9876]

Closed until dump day. Grey after black. Then a long shower using up the hot water. Then close and take short showers until next dump day

[@living2ndchildhood598]

I keep my tanks closed. That gives me better black tank emptying and plenty of soapy gray water to clean out the discharge hose after I’ve dumped the Blackwater Tank first.

[@crossroadsrvtravels]

Closed!! Until my wife takes her 15 minute shower 😅 I like using the build up of gray to flush the hose after draining the black tank. It's not a big deal to pull the handle everyday!

[@elizabethlarose4368]

American made is the way to go!

[@ceetee2021]

Closed! Until you are ready to empty your black tank; then the gray tank will rinse your hose.

[@Bum_Hip]

Why not just keep the tanks closed, and make a habit out of dumping them every other day or so?

[@geocacherny7030]

I always kept both closed after seeing many dumps full of small flies... Only opened them to empty. Yep, smell and flies.