Dichlor for fresh water tank

[facory]

I have read that some use Dichlor to sanitize the fresh water tank. This is instead of chlorine bleach. I read this with interest and have ordered Dichlor. Now I am reading that it is very hard to determine the correct amount to use and that it can harm the water system. What do you think and have you used it? If so, how do you measure for the correct amount? We have a 40 gallon fresh tank.

[darsben]

facory wrote:
How much would I put in the black tank? It's 35 gallons.

I would START with a teaspoon or so and add as the level in black tank increased. But I suppose you could use 5-6 teaspoons and if an odor starts to develop add more as needed.
I personally use bromine in my black and grey tanks. But I use a tablet for and start with 2 tablets in the black tank and 1 in the grey. I very rarely gt an odor

[Bumpyroad]

myredracer wrote:
8 ounces, $12.95 here: food grade hydrogen peroxide

Bumpyroad wrote:

myredracer wrote:


FWIW, food grade hydrogen peroxide can also be used

sure, just price out 20 gallons of 30% hydrogen peroxide.
bumpy

8 ounces, $12.95. food grade hydrogen peroxide

and you are diluting that down to what?
bumpy

[myredracer]

8 ounces, $12.95 here: food grade hydrogen peroxide

Bumpyroad wrote:

myredracer wrote:


FWIW, food grade hydrogen peroxide can also be used

sure, just price out 20 gallons of 30% hydrogen peroxide.
bumpy

8 ounces, $12.95. food grade hydrogen peroxide

[facory]

How much would I put in the black tank? It's 35 gallons.

[hddecker]

Old-Biscuit wrote:
Dichlor is fine for a pool where you can disperse it across the surface.

1/4 cub household bleach per 15 gallons is great for sanitizing RV fresh water system.

But then again........city water is already chlorinated.

Our town doesn't chlorinate the water, we have some of the best water you could hope to find.

Then you get all kinds of water travelling and who knows what it might have swimming around in it. Then they co-mingle when the camper is in storage mode.

Bleach has worked for me since day one and there is always a gallon in the laundry room. It's a lot cheaper than anything the stealers sell.

[darsben]

facory wrote:
The more I think about it the more I think bleach is the way to go. I'll just have to sell the 1# can of Dichlor I just bought.

Nope use it in your black tank. No bacteria = little smmell

[Bumpyroad]

myredracer wrote:


FWIW, food grade hydrogen peroxide can also be used

sure, just price out 20 gallons of 30% hydrogen peroxide.
bumpy

[myredracer]

I would do some googling. A quick google shows that it does get used for drinking water. Alabama State for example says it's okay. Dichlor use If you can figure how to use it correctly, I think it would be a good alternative to liquid bleach.

Dichlor is a name covering a family of related compounds. There is sodium dichlor and calcium dichlor and also dichlor and trichlor. There is also dichloroisocyanuric acid and dichloro-s-triazinetrione and more. Which one should you use? Dichlor also breaks down into various compounds which may be undesirable, but plain bleach does also.

It appears that some dichlor suppliers have NSF/ANSI certified products for drinking water and maybe you should use one of them? NSF 60

The biggest question might be how much should you use and should you test it before use? One nice thing about dichlor tablets is that it's much safer to handle than liquids and is one reason it's used for spas and hot tubs.

FWIW, food grade hydrogen peroxide can also be used and I've seen tablets with silver in it but they are expensive. Also, Giardia and Cryptosporidium are chorine resistant and won't be killed and you need a 1 micron absolute (not "nominal") rated filter or better.

[facory]

The more I think about it the more I think bleach is the way to go. I'll just have to sell the 1# can of Dichlor I just bought.

[Old-Biscuit]

Dichlor is fine for a pool where you can disperse it across the surface.

1/4 cub household bleach per 15 gallons is great for sanitizing RV fresh water system.

But then again........city water is already chlorinated.

[Bumpyroad]

darsben wrote:
Why mess with what works?
Chlorine bleach is effective, chlorine bleach is cheap, chlorine bleach is readily available everywhere.

x2
why try for a "magic bullet".
bumpy

[Sandia_Man]

I buy it for our pool and a bag goes a long way, I agree with above that it's just simpler to use a 1/4 cup of bleach for every 15 gallons.

[darsben]

Why mess with what works?
Chlorine bleach is effective, chlorine bleach is cheap, chlorine bleach is readily available everywhere.