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Old 01-28-2013, 03:40 PM   #11
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In the MicroMonitor thread I discuss having to add a flusher for my gray tank.

Grease buildup will eventually coat the walls of the gray tank and connect the probes (even with the Horst probes - took 2 years though) and there is no easy access to the gray tank to add ice cubes, etc.
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Old 01-28-2013, 05:08 PM   #12
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Capacitance systems come with their own unique set of problems and are a lot harder to troubleshoot when they go bad. The grass is not always greener.
Lou, if you have the time, I'd love to hear more about that "set of problems". Seems to me that occasional troubleshooting complexity would be better than 100% failure across the industry for the old system (except for a few smart folks who have better skills at keeping them clean).
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Old 01-28-2013, 06:04 PM   #13
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Lou, if you have the time, I'd love to hear more about that "set of problems". Seems to me that occasional troubleshooting complexity would be better than 100% failure across the industry for the old system (except for a few smart folks who have better skills at keeping them clean).
RV Holding Tank Monitor System | ModMyRV

Has some interesting comments.

Matronics Email Lists :: View topic - Capacitive Fuel Level Sensor - How do they work?

Several more reviews; not all complementary.

The one about his camper catching fire did catch my attention.

As to better than the stock probes? Understanding the system (whichever one you have) and its limitations is critical to being confident about the results. Regular cleaning is required with all these systems to make sure you get accurate readings. As stated in earlier threads, something as simple as "levelness" can have a HUGE impact on sensor probe accuracy.

Just look at the photo of my fresh water tank below. My tank is "FULL" and will take no more water, BUT it is a few degrees nose low. The tank monitor will be showing 2/3 Full (about 1/2 a tank) since the middle sensor is located mid tank. Had the tank been nose high, the tank indicator would read "FULL" even though many more gallons of water could be added.
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Old 01-28-2013, 06:24 PM   #14
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Lou,
thanks. The "fire" story isn't really related to the sensing system. It was over-current in an aux switch that they will include in their panel to save you some space.

Sure, you can get some failures with anything. A few vs. hundreds IMHO.

After my 5er is out if warranty, I'll be doing this and will have some real-life experience to report.
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Old 01-28-2013, 06:28 PM   #15
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Please do! I did not mean to say they were flawed. Just they are a different way of dealing with the "indication" issue.

Photo document and post in the review section. People really do go there for ideas and "How To" tips (as well as How Not To Do" tips.)

You can find negative reviews on anything on the internet.
Some are baseless; all are useful to some extent.
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Old 01-28-2013, 06:51 PM   #16
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When replaceing probes make REAL SURE black tank has a good tilt away from where you are taking old probes out.
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Old 01-28-2013, 06:59 PM   #17
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When replaceing probes make REAL SURE black tank has a good tilt away from where you are taking old probes out.
The review I did was very specific about cleaning out the tanks WELL before you start.
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