Double rinse black water tank

[ahill261]

Has anyone ever added a second rinse valve/system to their black water tank? My original rinse doesn't seem to spray enough of the side walls and bottom for a complete tank rinse.

[Pappy5150]

How can you tell that it's not spraying well?

[ahill261]

I think the one IS spraying well but there seems to be clogged waste in tank upon emptying. Powerwashing inside tank through toilet seems to be only solution for now. It happens during prolonged camping for months at a time in one location.

[Yooper906]

Originally Posted by ahill261

I think the one IS spraying well but there seems to be clogged waste in tank upon emptying. Powerwashing inside tank through toilet seems to be only solution for now. It happens during prolonged camping for months at a time in one location.

Are you hooked to a sewer now? If so, keep a lot of water in the black tank, don't keep the black tank waste valve open.

[ahill261]

I've done all that and it helps. But on occasion I actually have to plunge the toilet because the water will back up. Pouring hot water down the toilet helps also but I'm looking to try and NOT have to do all that.

[CAG]

Multi wash cycles will do as much or more that worrying about adding another sprayer.

[CAG]

Originally Posted by ahill261

I've done all that and it helps. But on occasion I actually have to plunge the toilet because the water will back up. Pouring hot water down the toilet helps also but I'm looking to try and NOT have to do all that.

Sounds like you have a poop pyramid and need to do a major cleaning from the toilet into the tank.

[CAG]

Originally Posted by ahill261

I think the one IS spraying well but there seems to be clogged waste in tank upon emptying. Powerwashing inside tank through toilet seems to be only solution for now. It happens during prolonged camping for months at a time in one location.

Poop pyramid! More water when flushing. The volume of water to solids is too high (too much solid, not enough water) which is allowing the solid pile to build up under the toilet spout thus blocking access to the rest of the tank.

[bluztoo]

You can also get the device to push water back up from the bottom if necessary. But it really does sound like you're not using enough fluid. I love my built-in top rinser and my wife tells me I'm addicted to it. A clean tank is a happy tank.

[ShotgunZ71]

Often times after a trip, I'll rinse it twice then add about 10 gallons for the ride. That sloshes around and keeps things cleaner. Plus, you always have some water if a bathroom break is needed.

[Murff]

As one who has been down this road, a product like this:

https://www.amazon.com/Thetford-9652...51495805&psc=1

...in the tank overnight, or longer, will help clean a tank that empties slow or that has the $#!+ stuck to walls.

Murff

[mhh]

If you put about five gallons in your tank after every dump of your black tank you shouldn't have a problem. I do this along with using the black water flush every time I dump my black tank.

[CAG]

Originally Posted by mhh

If you put about five gallons in your tank after every dump of your black tank you shouldn't have a problem. I do this along with using the black water flush every time I dump my black tank.

Add a cup of Dawn to that 5 or 10 gals and let that slosh around to the next stop. Then dump it. You will be amazed at how junky the water is that comes out. It cleans well.

[mhh]

I use dawn,but a cup is over kill. I leave water in my black tank all camping season even when it is sitting at the house.

[CAG]

Originally Posted by mhh

I use dawn,but a cup is over kill. I leave water in my black tank all camping season even when it is sitting at the house.

Probably but it cleans well and my tank is spotless between uses. You can cut it down some but what difference if it works. I love the soapy clean rinses 😁

I too leave water in the tank off season but with Happy Camper added.

[Leon]

Yes with my Senaca 37K I had 2 black tanks and black tank flush never worked that great even after getting fixed under warranty .So I decided to put a T fitting in the cold water line under bathroom sink attached a garden hose fitting so I could spray down the toilets and help flush black tank worked well cleaned everything out .My previous travel trailer I owned never had black tank flush just a spray hose beside the toilet which worked good

[hamerjk]

Water is your friend in the black tank. I use Happy Camper and 5 to 7 gallons of water after cleaning the black tank. I always back flush tank after dumping. I fill the black tank 3/4 to full twice then dump till water is clean coming out. I always use Happy Camper always. I never leave black tank open till ready to dump.

[windfall96]

the black tank spray nozzles do get clogged and spray less than when new.

The fitting is usually on the top or side of the tank AND SHOULD BE ACCESSIBLE (you just need to get under the coach and find it). The spray fitting is held in place with 3 or 4 screws. Clean the nozzle holes. once removed and reinstall. Some folks have drilled out the existing holes to "a bit larger".

As far as the black tank is concerned, GOOGLE the GEO method. It's filling the tank with a mixture of your black tank chemical (i use happy camper), dawn, and borax. Water is your friend. I start with near a 1/4 full tank. NEVER leave the tank dry even when storing. That is when any remenants solidifies to a brick. ALSO never leave upon when at a campground and connected

If really debris ridden with a brick, there are cleaning services that use a nozzle/pressure washer to break up the hardened stuff. they access thru your dump valves. Do the gray tank at the same time. Several UTUBE videos of the process

[Bayoutalker]

I quit using the commercial chemicals long ago. We live in ours full time. They didn't work that well and in the hot summer I had bad smells. I friend told me about this mix and once I tried it I never went back. Dumps easily and no smell.

I use Dawn, Borax and Calgon. Use the cap of the Calgon for a measure and put one of each in the tank with a couple gallons of water after each dump. If you have a very large tank maybe add a bit more. It's a lot cheaper and works better than anything else I've tried. Attachment 79636

[Icy]

A friend of mine had stuff building up in his black water tank after friends used his trailer for a couple of weeks. His solution was and works beautifully. Which was a bag of ice cubes and water. Drove a couple of miles and then dumped. He was surprised at the outcome.
Pete