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Old 10-18-2012, 11:22 AM   #15
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Depending on which water pump is installed in your trailer, it may be rated for 1 to 3 gpm flow rate so you could figure on 15 to nearly 45 minutes of run time to pump out 39 gallons. I'm in the camp with those who recommends simply draining refilling and repeat. This is simple if you can do it at home, but I understand that some have to figure out another way, and many campgrounds have prohibitions on draining anything onto the ground.

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Old 10-18-2012, 11:46 AM   #16
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Here's the Math

Originally Posted by dznf0g View Post
... I forgot how the math works out per gallon X 61 gallons, but it ain't a lot of bleach.
0.13 X Holding Tank Capacity in Gallons = Amount of Sodium Hypochlorite in Ounces

This is if you intend to let it sit four hours to do its job. We don't find rinsing very important at these levels.

If you don't have four hours, you may double the amount of bleach for quicker disinfection. But rinsing becomes more important.

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Old 10-18-2012, 01:09 PM   #17
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I don't really measure any of the bleach precisely. About 1/4 cup (more or less) to my tank works fine, no beasties and little taste of the bleach. I don't see any reason to get all anal (obsessively self-controlled) about it. Been doing it this way for years with no ill effects.
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Old 10-18-2012, 01:12 PM   #18
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Originally Posted by AWCHIEF View Post
I don't really measure any of the bleach precisely. About 1/4 cup (more or less) to my tank works fine, no beasties and little taste of the bleach. I don't see any reason to get all anal (obsessively self-controlled) about it. Been doing it this way for years with no ill effects.
Likewise, except that one time I mentioned while on the road. If I am gonna drink it, I measure. For the spring sterilization, I just put the jug up against the fill port and pour.

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Old 10-18-2012, 01:52 PM   #19
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Bleaching standards

The Illinois water authority requires that there be 1 ppm of chlorine remaining at the farthest distribution point for residential water suppliers. Swimming pool recommendations are 3 ppm for pools and 10 ppm for hot tubes.
For occasional shock treatment of the tanks, Protagonist's recommendation of 4 ounces of normal household bleach will do it. I would dilute it by half for easier handling and add it to you normal white hose to fill the fresh water holding tank. Fill the water heater and distribution system from that tank. Driving it around for an hour will assure that it contacts the top surface of the tanks. Letting it set for a couple more hours after that should do it. The "Shock" chlorine they use for swimming pools is twice as strong, so you need to dilute it further. Since most of us fill from municipal supplier no further chlorination is needed to keep us safe but you could add an ounce or two household bleach for the standard tank, if you are paranoid about wisteria or other things. We usually carry a couple gallons of drinking/cooking water with us in a clear plastic dispenser bottle, that we keep next to the sink. Local water sometimes does not taste as good as water from home.
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Old 10-18-2012, 02:19 PM   #20
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Also you should run some of the shock bleach water through the plumbing to kill any bad stuff in the pipes. I do this with about 5 gallons of water before I dump the fresh water tank of the bleach mix.
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Old 10-18-2012, 02:58 PM   #21
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If you truly want to sanitize after you arrive at CG, why not simply add a short section of hose to the drain fitting at the bottom of your tank and drain it into the sewer there ... run the pump to sanitize it and associated lines, then refill water tank with fresh water? Unless you are boondocking and that is the reason for the original sanitizing ... ???
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Old 10-18-2012, 10:16 PM   #22
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Originally Posted by trlrqueen
Thanks, Jack. Is that the only sanitization you do during the year? We don't drink the water from the tank either, and the water seems to be OK for washing dishes and bathing. It's been in the tank for a couple of months and we have seldom used it, but its still clear (to the eye!).
Yep. While we put a small amount of water in to allow the use of the toilet while on the road, all of our camping other than one trip a year are at campgrounds that have water hook ups at the site.


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