Finally got my black tank sensor to "e"

Old-Biscuit wrote:
I haven't looked at tank indicators in 7 yrs.

Don't care what they indicate.

Toilet burps....time to dump
Sink/shower starts draining slower....time to dump
Water pump goes burrrrrrrrr....should have already put water in fresh water tank

X2!!

Sensors drive hubby crazy. He wants that black tank sensor to work but it doesn't :) :)

we go by days of use and know when to dump. Sensors, what sensors? :) :)

Our 5th wheel is parked on our lot so it doesn't get moved to slosh around the tanks. Our blank tank gauge has said full since the first time we dumped it. I am one of those people that wants everything to work as it should and I had to give up this fight. Quit touching that button several months ago. ;)

aerbus32 wrote:
ultimately what worked best is to not dump the tanks until they need to be and just let the contents slosh around inside and physically interact with the tank. I still add some water to the black to make the contents as fluid as possible.

And having done all of that, what have we learned and how useful, in the grand scheme of things, is that information? Just askin' :)

As a full-timer, I used to be sure I dumped both tanks the morning I left a site, even if it meant just filling the tanks with water to ensure a good flow. Started having issues with inaccurate readings. Tried a couple of different things, but ultimately what worked best is to not dump the tanks until they need to be and just let the contents slosh around inside and physically interact with the tank. I still add some water to the black to make the contents as fluid as possible.

As I understand it, not all tank sensors use the same technology.

Our tank sensors have nothing inside the tank to get clogged - they sense the liquid level throught the walls of the tank. They are pretty close to accurate most of the time, but still not all of the time.

It's easy to look down the toilet with a flashlight to find out how full the black tank is ... but what do you do about the grey tank when it's indicated level is goofed up from soap suds? I might be nice for backup if tanks were made from clear material, so at least one could look underneath the RV with a flashlight to see where the grey tank liquid line was.

Sensors may work,may not.Don't really matter much.When the grey is full,shower wont drain.Time to dump.Black can go three four days.Way to much fun to be had to worry about some bogus set of lights.JMNSHO

It always seems that on day 2 of dry camping my Fresh sensor always says it's 2/3 full and the gray tank also thinks it's 2/3 full. One of them is lying as I know some of that fresh is going into the black tank.

I can get my black sensor to read empty about twice a season, then it also seems biased towards 2/3 full (unless higher while I'm trying to flush the thing).

So instead of being a glass half-full kinda guy, I'm a tank 2/3 full. ;-)

Mine work, with the exception of the 1/3 light always on in the grey tank. 2/3 and full work just fine for both. If I was full-timing, or seasonal, I would ignore them like the others. It's nice for the weekend warrior, however.

I spent some effort a while back to clear my '1/3' level sensor, finally got it to turn off. Next trip after that it stayed on again.
Like others, I just don't worry anout it anymore.

hershey wrote:
Forget the gauge and just keep track of the days use on the calender and when you get to the magic day you know you have to dump. Been doing that, along with probably the majority of other RVers, for over 10 years of fulltiming.

Prezactly. Been following that procedure for 14+ years FT. Gauge? What gauge?