If you don't keep your black holding tank cleaned out a buildup of sludge will slowly accumulate and eventually block the valve.
Rinsing is especially important if you plan on storing your RV for a while. If you don't rinse, the sludge will dry and become hard as a brick and you won't be a happy camper.
There are several options to assist you in this chore. You can permanently install a rinsing device that hooks to a garden hose and sprays the inside of the tank. The garden hose access is located on the outside of your RV so it makes rinsing very convenient.
Another option is to use a hand held wand. The problem is you need to haul the hose into the RV in order to shove the wand down the toilet. It's inconvenient and frequently messy.
Fritz Gillespie from Thousand Oaks, California came up with an alternate solution. 
He uses a length of 1/2 inch PVC with a quick connect hose connector on one end and a cleaning head attached to the opposite end. 
He made an easy access opening in his utility bay to insert this pole and thoroughly clean out his tank.Fritz used a hole saw and drilled an opening into the top side of his black tank. He installed a stand pipe floor flange over the opening using sealant and four screws with washers (sealing each screw).
Next he installed an inch and a half threaded nipple to the flange with a threaded end cap.He made a cover plate from some plastic flat stock (you could use a plastic cutting board) and secured it with four screws.
For the pole nozzle he used a glue on cap with holes drilled at an angle around the cap so the water squirts back toward the handle. When he extends the pole to the end of the tank the water jets flush the slush back toward the valve.
He stores the long pole on a rack in one of his holding bays. Thanks Fritz for another great RVing idea!
Helping you keep your RV squeaky clean - Jim Twamley, Professor of RVing
4 comments:
sounds like a great idea!!!
I replaced the vanity faucet nozzel
with a hose nipple & only use a 5 foot hose with my wand. Works great.
Looks pretty good, my only problem is, I personally don't think you could clean the device with enough clorox to make it clean enough to store in a basement and there only certain place that it can be installed
Quote from anonymous: I personally don't think you could clean the device with enough clorox to make it clean enough to store in a basement and there only certain place that it can be installed
Buy a bigger lenght of PVC to go over the flushing wand & place it on the outside of the rv in whatever place you have.
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