Marks RV Mailbox - RVs Sitting Idle

Question:  When we are not using our RV, this could be for several months at a time, should I start the engine every week or so?

Mark’s Answer: I always add a fuel preservative to the fuel tank when our unit will sit idle for more than a couple months at a time. I run the engine and the generator long enough for the preservative to get through the fuel system. But, I still think it’s good to start and run the engine and generator at least monthly when in storage. It allows the oil to lubricate the dry components of the engine. When you run the generator be sure and run it with at least a half rated load on and if try to run it for at least an hour. You should be able to find the load ratings in the generator owners manual.

Happy RV Learning,

Mark Polk

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RV Toilet Chemicals Still Have Formaldehyde...REALLY?

Question: Why do they still sell toilet chemicals with formaldehyde in them? I haven’t used them in years, but still see them on the shelves of reputable stores.

Mark Says: Some states like California have been fighting to ban using formaldehyde in holding tank chemicals. The reason manufacturer’s use it is because formaldehyde does a good job controlling odors.

I should start by addressing what many consider the problem to be with formaldehyde in holding tank chemicals. Certain chemical additives like formaldehyde can cause septic tank failures by killing the bacteria needed for a septic tank to operate properly. The way formaldehyde controls odors is by killing the bacteria that causes the odor. So it kills the bacteria in the RV holding tanks as it attempts to control odors.

When you empty your holding tank the formaldehyde also kills the bacteria used to breakdown the wastes in the septic tank. When this happens over a period of time, like at a campground the septic tank can’t operate properly and the septic system gets clogs resulting in health risks and high costs to repair the problem.

So, what can we as RVers do to help? Even though formaldehyde helps control odors you should use holding tank deodorizers that do not contain formaldehyde. Look for enzyme or citrus based products that are biodegradable for use in your RV or boat and pass the word along to other RVers..

Happy RV Learning,

Mark Polk

RV Education 101
RV University
RV Orientation
Go for the RV Gold
RV Consumer

Follow us on FACEBOOK

Copyright by Mark Polk owner of RV Education 101

Mark's RV Garage Internet TV Show Series - Episode #10