
- Step One: Run a garden hose through a window to the bathroom or a large drain.
- Step Two: Fill the black water tank to roughly half full with fresh water.
- Step Three: Pour half a cup of quality bleach down the drain into the blackwater tank.
- Step Four: Continue adding fresh water until the tank is nearly full. Then wait five to seven minutes.
- Step Five: Release the rear valve on the black water tank and all it to drain completely.
- Step Six: Seal the rear valve, and refill the tank, then purge it again.
Full Answer
How to dump the black water tank?
- Disposable Gloves – these are important to keep your skin from coming into contact with any human waste that might be present.
- RV Sewer Hose – you need to have an RV sewer hose to dump your grey and/or black tanks. ...
- Clear Elbow Attachment – having a clear elbow attachment helps you see that your tanks have been cleaned out thoroughly. ...
How to keep your black water tank clean?
Maintaining the Black Water Tank
- Drain the Tank – Before you start cleaning the black water tank, make sure that it is completely empty. ...
- Add Water – You will need to pour about a gallon of water into the tank. ...
- Add Chemicals – Next, you will need to add the correct dosage of RV black water tank treatment. ...
How to empty your black water tank?
- Put on a pair of Rubber Gloves
- Open up your Black Water Tank and turn on the Waste Water Pump.
- If your tank is completely full, the entire process of emptying the tank should take about 15 minutes at the most.
- Once the tank is empty, go on and turn off the pump.
How do I empty my black water tank?
How to empty a black water tank
- Put on latex or similar gloves and safety eye wear.
- Hook your sewer dump hose to your RV, then to the sewer dump station
- Open black tank valve and wait until flow is stopped
- Hook up and run black water flush (if equipped)
- If you do not have a black water flush, fill toilet with water
- Open black tank valve again

How do you fix a leak in a black water tank?
2:023:29How to fix your RV Gray or Black water holding tanks from leaking!YouTubeStart of suggested clipEnd of suggested clipThis one is not but jb weld will stick okay to this and it will stop the leak. And using theMoreThis one is not but jb weld will stick okay to this and it will stop the leak. And using the fiberglass cloth keeps it together because jb weld will kind of stay a little bit flexible.
Why is my black water tank leaking?
If your black tank is only leaking when it's full, the problem typically isn't near the drain valve, but rather near the top at one of the connections (vent or drain pipe) or the tank itself has been compromised (ie, a crack near the top).
How do you fix a crack in a water tank?
0:261:38How to repair cracks in water tank|crack repair technique easyYouTubeStart of suggested clipEnd of suggested clipWe need a little water for moisture to mix with a glue applied the glue with hand on the correctMoreWe need a little water for moisture to mix with a glue applied the glue with hand on the correct portion of the tail with force soda to the glue go inside the crack they play a fully on the creek.
How do you repair a plastic RV tank?
3:0210:59Repairing Cracked RV Waste Tanks with Plasti-Mend - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo you paint the coat or so of that on it and then you add some of this mesh material pushing it inMoreSo you paint the coat or so of that on it and then you add some of this mesh material pushing it in with the paintbrush.
How do you fix a leaking RV water tank?
0:5515:04Repairing A Cracked RV Tank | DIY Permanent RV Water Tank Repair!YouTubeStart of suggested clipEnd of suggested clipAnd both of the patch jobs that i did the jb weld plastic weld and also the flex seal flex tapeMoreAnd both of the patch jobs that i did the jb weld plastic weld and also the flex seal flex tape actually worked really good temporarily.
Can you repair an RV holding tank?
0:002:51How To Repair An RV Holding Tank No 1 - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf the pieces all fit tightly together you can proceed with the repair. If you're missing pieces youMoreIf the pieces all fit tightly together you can proceed with the repair. If you're missing pieces you can cut pieces from the supplied ABS sheets in the kit. Clean the area around the repair.
How do you fix hairline cracks in plastic?
Gluing the Cracked Plastic. Use plastic glue to fix small cracks in plastic. If you need to reconnect a crack in plastic, you can use plastic glue, which is specially formulated to bond plastic surfaces. Plastic glue is often used for making models so it is easy to use and safe to handle for adults.
How do you weld a water tank?
3:508:34Plastic Welding RV Holding Tank Repair, DIY with a ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo let the welder do the work. If one edge of the crack is raised. Apply force until it is flushMoreSo let the welder do the work. If one edge of the crack is raised. Apply force until it is flush with the other side as you run the tip of the iron. Down the crack.
How do you weld polyethylene tanks?
4:5617:08Plastic welding, custom RV tanks, part 1 of 2 - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo to tack these two together it's a very easy procedure. You slowly move this along lightly meltingMoreSo to tack these two together it's a very easy procedure. You slowly move this along lightly melting the plastic. And the two become one now this isn't a strong weld in any way shape or form.
Can you repair a plastic holding tank?
0:002:42How To Repair A Damaged RV Holding Tank - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe resin air cures in about 24. Hours depending on how thickly it was applied. This videoMoreThe resin air cures in about 24. Hours depending on how thickly it was applied. This video demonstrates how to repair a damaged RV holding tank. This repair is a large hole in a new tank.
How do you join a broken plastic tank?
3:044:46Agricultural Tank Repair - YouTubeYouTubeStart of suggested clipEnd of suggested clipSmooth the welding rod with both the ælis and nitrogen welders once smooth you can add welding rodMoreSmooth the welding rod with both the ælis and nitrogen welders once smooth you can add welding rod to fill in any gaps. Repeat this process to fill in the other section and smooth out the welding rod.
How do you fix a crack in an RV tank?
2:038:18Cracked RV Holding Tank Repair using G/Flex 655 Epoxy - YouTubeYouTubeStart of suggested clipEnd of suggested clipThere's are two parts proxy adhesive. And thickened epoxy adhesive this is the resin.MoreThere's are two parts proxy adhesive. And thickened epoxy adhesive this is the resin.
Why is my camper leaking water underneath?
The most common reasons why your camper is leaking water underneath are a damaged water tank, broken pipes, damaged floor, and water dripping from the roof. It is essential to know how to detect these leaks early on so you can avoid any serious damage to your camper.
What causes a water heater tank to leak?
Of all the issues that could cause a water heater to leak, the most common are faulty cold and hot water connections, loose gaskets, a damaged drain valve, and corrosion inside the tank. Some of these problems only require a little bit of tightening or updating to get your water heater back to full functionality.
What happens when black tank gets too full?
Tanks are typically made out of plastics and polymers. If your tank has filled beyond capacity then the materials may give out due to weight and pressure. This will cause the waste to pour into the area that the tank occupies. The waste will also spread anywhere that a liquid can go.
How Does Black Water Tank Flush Work?
The black tank flush has two basic purposes. The first purpose is to help you clean out the tank when you go to the dump station and empty it. The spray is supposed to help push out anything that was left behind during the dumping process.
Common Black Tank Flush System Diagram
This is a diagram of the basic common black water tank flush system. As you can see it is a very simple system. Nothing should or could go wrong, right? Even with simple designs, something can and does go wrong.
Jayco Black Tank Flush System Diagram
As you can see, the Jayco design is not that much different from the common black water tank flush system used by other companies. It is a basic system that does not need a lot of complicated parts or angles to work.
Black Tank Flush System Diagram Forest River
We checked the owner’s manual for the diagram of this system but the only photo or image that was there was for the location of the inlet valve where you hook up your water hose.
RV Black Tank Flush Check Valve Not Working
This is a common problem as this valve is known to fail from time to time. However, sometimes it may not be possible to know if the valve has failed or not. The reason we say that is because if the valve is stuck in the closed or shut position, it works like normal.
Black Tank Flush System Clogged
There are a couple of sources for this problem. The most common one would be the check valve and many people have had the problem of this part clogging up. But there are those other parts that may also clog up on you and if you go to a dealer to fix it, it could cost you over $400 for parts and labor.
Black Tank Flush Leaking
Normally, this problem’s source is the check water or vacuum valve that is located behind your shower in most cases. If you see a little dripping from the valve, that is called normal. by little dripping it is meant only a drop or two at a time.
How to make a black water tank?
Step One: Run a garden hose through a window to the bathroom or a large drain. Step Two: Fill the black water tank to roughly half full with fresh water. Step Three: Pour half a cup of quality bleach down the drain into the blackwater tank. Step Four: Continue adding fresh water until the tank is nearly full.
How to clean a septic tank with liquid soap?
In this method, you don’t want to use liquid soap, as it will cause foam and bubbles. Step One: Make sure the tank valve is tightly closed. Step Two: Fill the tank half full with fresh water. Step Three: Add half a cup of granulated dish-washing detergent. (Do not use liquid soap)
What is the water in a washing machine?
Washing machine rinse water. This means that the so-called “Gray Water” in the tank can have a lot of soap, grease, body soil, and food particles. Any of these substances can leave hard to remove residue on the sides of the tank and on the sensor itself.
What is gray water?
Gray water or black water can have a lot of things in it that can gum up the sensor or cause malfunctions. This tank essentially contains all the used water that goes down the drain. It includes: Shower and bathtub water. Kitchen and bathroom sink water. Floor drain. Dishwasher rinse water.
How many tanks does an RV have?
An RV or a motorhome with a bathroom or kitchen facility typically has two tanks. One that stores freshwater, and one that stores black or “Gray Water.” Each of these tanks has its own special sensor or meter to let you know how much liquid there is inside.
Does chlorine kill bacteria in rubber?
This option is a little controversial, in that heavy concentrations of bleach are known to damage certain rubber plumbing parts. So, it’s not something you should be cavalier with. Yet chlorine does a great job of disinfecting the black water tank, killing bacteria and leaving behind a pleasant clean odor.
Can toilet paper cling to RV water?
The toilet paper then gradually breaks down over time. In an RV black water tank, ordinary toilet paper can cling to the sensors, cause clogs and other complications. To reduce the chances of this happening, you need to buy toilet paper that is specifically rated for RVs.
