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Old 04-03-2014, 11:19 PM   #15
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The problem with bleach is that it's 3% useful chemicals (sodium hypochlorite ), then you can have silica, lye, fragrance, calcium carbonate and a whole bunch of other chemicals that should never be near your drinking water. Sanitizing with bleach also requires that you flush the system with clean water at least 2-3 time to get rid of the taste . also worth considering is bleach deteriorates with time and so 1 year after purchase you may not get the concentration advertised on the label.

A better option is to use pool chlorine. Available easily and cheaply at pool supply and hardware stores, it comes in a dry state in concentrations of 65-70%. Dry chlorine is very safe to store, unlike a leaky bleach container which could do a lot of damage to your rv.

The army has been sanitizing water buffalos with pool chlorine (calcium hypochlorite) for many years. It's effective, easy to rinse after the disinfection is complete and with basic and inexpensive test tools you can test if your disinfection has been effective by measuring free chlorine.

Attached is a document which outlines required concentrations, based on the rv water capacity (fresh water tank, hot water tank and estimate for plumbing lines ) . I fill a 5 gallon water jug with water, add the required amount of chlorine, close it and shake. I wait 1 hour, shake again the pour it into the gravity fill. Then top off the tank and open each tap until you smell the chlorine. The amount of time it needs to sit depends on the concentration (usually 100ppm). For my 55 gallon system I use 3.5tsp of 65% dry hth. Refer to p9 table d2.


http://www.marcarchambault.com/ebay/...sanitizing.pdf

We always drink the water from the tank.
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Old 04-04-2014, 06:56 AM   #16
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Word of caution! Do not mix different levels (%) of pool chlorine together. Don't ask me how I know.
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Old 04-04-2014, 07:06 AM   #17
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I agree with the RV seminar guy on one statement...NEVER put bleach in your hose. Put the bleach in the tank. There are plenty of educational RV videos to watch concerning sanitizing your water tank. I use bleach.... fill tank add a cup of bleach....let sit for seven hours....drain, rinse and refill. You can also use that bleachy water to rinse out the grey water tank or rinse the black water tank too. Peroxide is the other suggestion. I have not added any Hydrogen Peroxide to my tank but I do believe it will work well too.
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Old 04-04-2014, 06:37 PM   #18
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Quote:
Originally Posted by marcham View Post
The problem with bleach is that it's 3% useful chemicals (sodium hypochlorite ), then you can have silica, lye, fragrance, calcium carbonate and a whole bunch of other chemicals that should never be near your drinking water. Sanitizing with bleach also requires that you flush the system with clean water at least 2-3 time to get rid of the taste . also worth considering is bleach deteriorates with time and so 1 year after purchase you may not get the concentration advertised on the label.

A better option is to use pool chlorine. Available easily and cheaply at pool supply and hardware stores, it comes in a dry state in concentrations of 65-70%. Dry chlorine is very safe to store, unlike a leaky bleach container which could do a lot of damage to your rv.

The army has been sanitizing water buffalos with pool chlorine (calcium hypochlorite) for many years. It's effective, easy to rinse after the disinfection is complete and with basic and inexpensive test tools you can test if your disinfection has been effective by measuring free chlorine.

Attached is a document which outlines required concentrations, based on the rv water capacity (fresh water tank, hot water tank and estimate for plumbing lines ) . I fill a 5 gallon water jug with water, add the required amount of chlorine, close it and shake. I wait 1 hour, shake again the pour it into the gravity fill. Then top off the tank and open each tap until you smell the chlorine. The amount of time it needs to sit depends on the concentration (usually 100ppm). For my 55 gallon system I use 3.5tsp of 65% dry hth. Refer to p9 table d2.


http://www.marcarchambault.com/ebay/...sanitizing.pdf

We always drink the water from the tank.
A strong word of caution if you are going to use Calcium Hypochlorite. Cal Hypo is a STRONG oxidizer. If it gets wet it will self-combust. A wet measuring cup or water running off your hands into the tub of cal hypo can set off a chain reaction thT will be ugly beyond words. One of my former employees did this and burned up one of my trucks. I guess it was quite a sight...this van driving down the road with smoke pouring to the back window. He swerved into the woods and jumped out after hitting a pine tree. Truck was totaled.

We use Sodium Hypochlorite, pool bleach, or better still, Clorox with no scent added. Actually Clorox and pool bleach are the same chemical but the Clorox is lower strength. If you're worried about a spill, put the jug in a small bucket to store it.
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