Tank Problems

The white stuff in the grey tank is grease. Find a product that will eat or melt the grease and that problem will be solved unless you dump more grease down the drain.

Thanks for the tips....I have an update.

I did buy the back flush elbow to at least give it a try but I don't have a clear shot to either tank so it really doesn't do any good.

I bought a chemical that the lady at Camping World said would work on the black tank but not the grey tank. The chemical ended up working a little for the gray tank but not at all for the black tank.
I left the chemical in both tanks for about 4 or 5 days. I did nothing for the black tank but really flushed out the water in the grey tank. However the gray tanks is clogged again....The black tank remains clogged. I am guessing at this point I am going to have to call someone in to pump both tanks out. Any clue how much that will cost me?

calamus wrote:
Dont EVER dump grease down your drains in your RV

Or any solid food waste from plates and cookware. If that debris doesn't flush out with draining the tank it stays there and stinks. :E

I always leave my grey tank open until a day before needing to dump the black tank. After dumping the black, I dump the grey tank to flush everything on down the hose. Then, I leave the grey tank open until the next time.

If you are connected all the time, you can leave the grey tank valve open all the time (except maybe when it gets really cold - could freeze water in your line if not insulated).

Someone - please correct me if I am wrong.

Looking in the tank my by deceiving you, these tanks are quite shallow so they look full even when not.

Accidental double post... :(

For a badly plugged up tank, try liquid Drano. Our owner's manual says to use it. Needs to be the version that does not attack metal. We had a badly plugged black tank last year and used it and the tank ended up looking like new inside. If you do use it, NEVER dump it into an on-site septic disposal system or you can do serious damage to it.

If your black tank is a problem, you may not be using enough water in the tank. You should put in 4-5 gallons after each dump just before you use it again. And use plenty of water each time you flush, especially with #2. Don't ever skimp on water thinking you can extend the time between dumps. You are asking to get plugged up by skimping on water.

On the grey tank, as said above, it may be due to grease. Avoid putting any grease into the grey tank.

We have a Valterra clear back flush elbow. It kinda works okay, but I find that the tank rinser is better. The elbow is the next best thing to a rinser though. I don't use it for back-flusing anymore now that we have a tank rinser. I always use the clear elbow to see whats coming out and if it is clear water or not.



A tank rinser for the black tank really helps. We have a factory installed one and I can get the bottom of the tank looking clean as a whistle. This one is a Tornado Rotary Tank Rinser. If you have an enclosed underbelly, it will be a challenge to get access. And if you do pull off the coroplast material, I would upgrade to Horst Miracle probes at the same time. The standard OEM button sensors are next to useless.

nomad297 wrote:
The Flush King is worthless unless you have a straight shot from it to your tank. If there are any fittings in the drain the flow from the hose becomes slack.

Bruce

sort of like trying to push a chain.
bumpy

The Flush King is worthless unless you have a straight shot from it to your tank. If there are any fittings in the drain the flow from the hose becomes slack.

Bruce