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Old 08-15-2014, 03:25 PM   #29
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I leave home with a full tank. We have good well water and prefer that over some of the water you can get at an RV park. Once our home water is gone we don't generally fill and travel with a full tank - usually 1/4 to 1/2 if the gauge is accurate is plenty.

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Old 08-15-2014, 04:50 PM   #30
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I can tell you that I started carrying 1/2 to 3/4 after I showed up at an RV park for the weekend and then they lost all water in the park for the night. That cured me for good. Life is better with water.

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Old 08-15-2014, 06:28 PM   #31
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It really depends on how you plan to travel, we are just finishing an 8 week cross country excursion and we always have a full tank of fresh water when we leave home or leave a camp ground. We do not like to be tread to stopping at a RV park every night as it can be pricey. We saved tons of money by only using a campground every third night and having a full fresh water tank allows you to shower and wash dishes, flush toilets when doing so. The added weight will reduce your fuel mileage by a negligible amount, so small you will not notice it but you will save way more not having to be in a camp ground every night on the road. Walmart and or Trucks stops allow parking for free.

Just my 2 cents, for what it's worth.
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Old 08-15-2014, 10:46 PM   #32
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A couple of posts mentioned counting ten gallons in the water heater but those ten are unusable without water from the fresh water tank to push it out of the water heater. Put another way: when the fresh tank runs dry and the water stops flowing from your faucet, you still have ten gallons sitting in the water heater. How do you get it out?

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Old 08-15-2014, 11:01 PM   #33
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I always travel with a full water tank.
It adds more weight down low and makes the RV handle better. !
NOTE; I am not responsible for typos, poor grammer or misspelled word !
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Old 08-15-2014, 11:08 PM   #34
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WE only carry around 30>40 Gal . Flushing and so on .. Unless we are boon docking then 100 gal and bottle water for drinking..
Wayln 2013 Journey 4oU..1994 FLHR,2003 Jeep liberty, DW, 3 fury children
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Old 08-16-2014, 05:53 AM   #35
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Originally Posted by osok View Post
Welcome to iRV2 forum. The only time I travel with full tank is if water will not be available at destination. All the water adds a lot of weight and for me no reason to have. Lighten up the load and maybe help a little on mpg. Usually I travel with about 1/4 tank.
Ditto. If I topped the tank, it would be 750# to haul around.
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Old 08-16-2014, 06:04 AM   #36
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We always travel with full tank.
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Old 08-16-2014, 06:50 AM   #37
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I found that my fresh tank full and my grey tank empty cause my coach to wander a bit. It drives best with water in the grey tank which is in front of the rear axle.
I always travel with some fresh and would only fill it up if I were going to be boondocking.
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Old 08-16-2014, 07:11 AM   #38
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Almost a full tank for us. The gray tank won't handle all of it so there is no point to full. We plan to be able to take a couple of showers on the way without being at a CG. Our travels are mostly NY to Florida and back and the first few days are on the road stopping at a rest area or Flying J (maybe Walmart) for some shut eye and then off again. We stop at a rest area for a break, lunch and a shower during the day. I'm sure the extra weight costs us a little in MPG but if I had to worry about that we would have found a different method of transportation.
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Old 08-16-2014, 07:26 AM   #39
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We travel with just enough water to allow for an over night break down. Glad we have had "the just in case" supply a few times. We do not haul the weight of water that is not needed.

If you are going to travel Walmart style travel with a full tank.
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Old 08-16-2014, 07:36 AM   #40
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I guess it is the old Boy Scout in me, but I tend to carry a pretty full tank of fresh water. It's hard to predict when my wandering spirit may lead me down one of those "...roads less traveled..." and I will want to be prepared to use all the comforts of home while there.

Great reminder to keep something in the grey and black tanks to slosh stuff around while driving, too!

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Old 08-16-2014, 08:26 AM   #41
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Full 100 gallons when leaving the house. We have good well water. Been to some CG with skunky water. Motorhome is always parked with full water and fuel too, never know when you would need to bug out or live in the rig due to some reason.
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Old 08-16-2014, 05:29 PM   #42
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The weight of 30-100 gallons of water is insignificant to our 40,000# coach and has no effect on mpg. I suspect the same is true with a 30,000# unit as well. I doubt that an extra 400-500# in any class A MH would affect mpg. Most of the time we travel with a full tank and do not hook up to park water. Our water pump puts out more pressure than a lot of RV parks we have been at, so we use our tank water until more is needed. Then we fill with fresh water and dump the black and grey tanks. When we leave the coach for the day, I shut the pump off out of habit. I went by a coach one morning with water running out their front entry door. They were asleep and did not know the line to their ice maker had split. They might have heard their pump running if they were not hooked to park water. Bet theirs wasn't the first time something like this has happened.

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