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Tips For Tanks

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1. Keep the black tank valve closed until the tank is at least 2/3 full. (Dumping the tank when it is less than 2/3 full will not allow the tank to empty properly). Always drain your black tank first. After dumping is a good time to flush the tank with the sprayer if your RV has one. If not, you can use a tank wand designed for cleaning and flushing the tank.

2. A good trick is to pre-charge the tank with a few gallons of water right after you dump. This will fill the outlet pipe and wet the bottom of the tank so the contents spread out and start to break down instead of staying exposed to the air. Now is the time to add HAPPY CAMPERS to a toilet bowl of water take your toilet brush and swirl it around in the bowl and then flush. With this simple action, you have mixed the treatment, freshened your toilet and brush too.

3. CAUTION: NEVER leave the black valve open. The liquid will drain away leaving you with a solid buildup in your tank that can be a costly repair job.

4. FOR THOSE THAT SIT: If you end up with an Odor after sitting a long time. The bacterial brigade likes oxygen and after sitting still in the same spot for some time there isn’t enough shaking going on to keep the oxygen distributed though the holding tanks. Result the bacterial fellows are unhappy, leaving the job half done. It helps to flush more often.
Solution if this happens; Fill up the tank, then dump it. Now fill the tank nearly full, add at least a half cup of baking soda, and let the whole thing percolate for a couple of days, dump the tank and add Happy Campers per instructions.

5. You don’t need to use RV tissue with Happy Campers. The internet has some tests that will give you some brands that are much nicer to use and work very well in holding tanks. Some that are rated high and reasonably priced are Scott, Quilted Northern and Angel Soft. Not convinced? Take a square of what you want to try or compare, put it in a glass with water and see how long it takes to break up.


1. You do not need to treat this tank every time you dump, but if your gray tank gets an odor the bad stuff usually grows from the top of the tank down. If this happens, you need to treat it with Happy Campers (two or three scoops should do it) fill the tank all the way to the top and let it set over night. Drain and rinse the tank. If you are moving right away you can do the same with a tank about 2/3 full as it should splash all the walls and the top.

2. We recommend you treat the gray tank every third or fourth time you dump.

3. GREASE: If you have a buildup of grease in the tank, put 2 to 30z. of Original Blue Dawn (dish soap) in the tank to solve this problem.

4. NOTE: Never use antibacterial soap or disinfectant cleaners in your tanks because they will stop the action needed to keep your tanks clean and fresh smelling. Also some large dosages of medications can kill the bacteria after they pass though your body.

5. When adding Happy Campers to your gray tank, mix with water and pour down a different sink or shower drain each time to keep your p-traps clean.

6. You can leave your gray tank valve open if you wish. Just realize that most RV parks are now designed to vent up and though your roof vent. It is best to close the gray valve in enough time before you plan to dump so you can use the gray water to flush out your drain hose.


No we didn’t forget sensors, they get tissue hung on them, they get corroded or other problems. There are a few things that can help you keep them working.
1. Rinsing your tanks after draining is a big help.
2. Once in a while, drive to your next destination with around a 1/2 tank of liquid for agitation.
3. There are businesses that have a high pressure system that will clean your tanks for around $200.00. This takes about 45 minutes per tank.
4. You can use our Extreme Cleaner product which will do almost the same job for less than $20.00. We have a customer that uses our Extreme Cleaner and had her tanks done with the high pressure system above. She said the tanks were so clean it took only 28 minutes to do both tanks, instead of 45 minutes each.
If all the above has failed and your RV dealer cannot get them working, it may be time to consider replacing them. The system we like is called SeeLevel by Garnet. For information, you can go to

Holding Tank Do’s and Dont’s

1. Never use bleach or home remedies. they can severely damage valves, seals and gaskets. For your fresh water tank, Purogene is a good alternative if needed.
2. Do not mix different brands or types of treatments. This will most likely make both products ineffective.

3. Some toilet tissues have chemicals that can imbalance the tanks.

4. Are your vents clear? It’s amazing what can build homes in vents.

5. Anyone on board a vegetarian? If so, expect to have some solids seen when dumping. It’s called insoluble fiber.

6. If storing your RV long term in a warm enough climates, it is best to leave some water in your tanks. The moisture will prevent hardening of any materials left on the tank walls. If you are in a colder area, we have the solution for you next.

7. Extreme Cleaner is a product made and sold by us. It will keep your tanks working well, and is used for an annual super-cleaning of your tanks. For those of you who store your RV in cold climates, it will clean them for winter so you can leave them empty.
8. Once or twice a year, we get a call from a customer that they now have some odor in their RV. Here is how we fix it.
First we have them put 1 oz. of Happy Campers in a small plastic sandwich bag and add 1 oz. of water, Hold it in the palm of their hand for 30 seconds, It should get quite warm. This reaction tells us that the product is fine and there is a bug in the tank that has to be cleaned out. We have learned, sometimes a large dose 5 or 6 oz. of Happy Campers will do it. Otherwise it takes a treatment of “Extreme Cleaner” to super clean and get the bad out. If this should ever happen to you please read and follow all instructions for using Extreme Cleaner.

Extreme Cleaner
Tips for achieving the best results:

1. Add the Extreme Cleaner slowly into a 3-5 gallon bucket of hot water (make sure product is totally dissolved).

2. Pour 2/3 of the Extreme Cleaner solution down the toilet and the remaining 1/3 down the sink or shower drain (for an extremely dirty black tank use entire solution).

3. Fill tanks 1/3 to 1/2 full with water. Take your RV on at least a 30 minute drive or to your next destination for agitation (If you’re setting and can’t take a drive you can still get rid of a bug without agitation, but the tanks won’t get as clean). Drain and rinse tanks as soon as possible after agitation. Add Happy Campers treatment and a couple of toilets full of water and you’re done.

It has come to our attention that there have been a few manufacturers that have installed the toilet so far from the black tank that the toilet outlet does not drop straight down into the black tank. This design makes it very easy to for blockage to form in the line between the toilet and the black tank. If your RV has this plumbing layout we suggest using more water and less tissue per flush to help prevent this condition.

More Questions?
If you have questions that we have not answered here or an odor problem you can’t solve please feel free to contact us by phone at (541) 773-3529 or email

People often ask… What is Happy Campers?

There are nine trace elements and two heavy elements that make up a highly concentrated blend of minerals and micro nutrients. In layman terms, it is the good bacteria doing away with bad bacteria to eliminate odor and accelerate the natural decomposition of the waste. It has the ability to work longer and stay working in over 100° temperatures.

All of this and it is still friendly to all holding tank systems, septic tank systems and the environment.