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Open Roads Forum  >  General RVing Issues

 > Why do I still look at my tankl level gauges?

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opnspaces

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Posted: 01/17/20 07:30pm Link  |  Quote  |  Print  |  Notify Moderator

I was just thinking about this. I know we are all familiar with stock tank level gauges not being accurate. On my trailer sometimes I push the button and the level looks right. And sometimes I push the button and know in my head that there is no way it's that full. So it brings up the questions?

Why do I press the button at all?
  • If the reading seems high I ignore it because these sensors all stink.
  • If the level seems about right I believe it. But then how do I know it's not actually wrong?


I guess my theory is that based on the way the sensors work it is safe to say they may read high, but they will never read low.

What's your theory, Am I on the right track or all full of p@@p?


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Dutch_12078

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Posted: 01/17/20 07:42pm Link  |  Quote  |  Print  |  Notify Moderator

My SeeLevel tank level display has always read correctly, so I do use it regularly. You're probably correct for the "nails in the tank" style monitors though, they don't typically read low.


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DrewE

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Posted: 01/17/20 08:54pm Link  |  Quote  |  Print  |  Notify Moderator

The standard sensors detect when something conducts betwen the probes. It's not hard to have stuff clinging to the tank walls and giving too high readings. it's much, much harder for there to be a submerged bubble of nothingness.





DSDP Don

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Posted: 01/17/20 10:14pm Link  |  Quote  |  Print  |  Notify Moderator

I know people spend hundreds of dollars on monitoring systems and then pretty much ignore them. When you dump, it's often more determined by where you're at and when you're moving onto the next campsite. I know the black tank in my Dutch Star is good for 2.5 days and is full. So every two days, I just hit the electric drain switch and the black tank dumps. My grey is always empty as I have a bypass on my SaniCon. To be fair, my electric toilets have a ight that goes form yellow to red as the tank nears full.

I think people have a weird addiction to knowing exacty what's in their tanks, when it's not that big a deal. Often installing a SeeLevel or some other brand is a satisfying gadget installation.


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time2roll

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Posted: 01/17/20 11:42pm Link  |  Quote  |  Print  |  Notify Moderator

Pure entertainment value.


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pasusan

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Posted: 01/18/20 04:54am Link  |  Quote  |  Print  |  Notify Moderator

opnspaces wrote:

Why do I press the button at all?

I press it 'cuz the fresh water sensor works and I judge everything by that. We can fill up the FW tank twice before we need to dump. We do put lots of dishwater down the toilet.


"I'm out here to enjoy nature -- don't talk to me about the environment!" ~Denny Crane

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wa8yxm

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Posted: 01/18/20 05:25am Link  |  Quote  |  Print  |  Notify Moderator

opnspaces wrote:

Why do I press the button at all?


Question: Do you go to Church?
related: Do you believe in Miracles?

You push the button to see if a Miracle has happened and the sensors are working as they should instead of as they do.. Of course they are not. but hey. Faith springs eternal they say.


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wildtoad

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Posted: 01/18/20 05:51am Link  |  Quote  |  Print  |  Notify Moderator

DSDP Don, I have to think if a 40 or more gallon black tank only lasts 2.5 days, you need to cut down on the beer. ??


Tom Wilds
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dodge guy

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Posted: 01/18/20 08:09am Link  |  Quote  |  Print  |  Notify Moderator

I loved the ones on my first trailer. They were in 1/4 increments. Now they are in 1/3’s. Sucks when you see 2/3’s and all of a sudden full. At least with the 1/4’s when I seen 3/4’s I knew I was close.


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Dick_B

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Posted: 01/18/20 08:38am Link  |  Quote  |  Print  |  Notify Moderator

I haven't been RVing for several months but I seem to remember that the Freshwater gauge might be `accurate' and maybe even the gray tank.
But the black tank is hopeless. I just go by the number of days we've been camping since the last dump. I think we can go a week.


Dick_B
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