Sanitize Fresh Tank & Bleach
I would like to sanitize the fresh tank. My RV owners manual (& what I've found on the internet) says to use bleach with 5% sodium hypochlorite. The problem is all the bleach in the stores is now "c...
Forum Discussion
wing_zealot wrote:
The recommendation is generally 100mg of chlorine for ever liter of water with a 3 hour contact time. (Reference AWWA C651). For you - What that means is you need approximately 5 oz of 8.25% bleach for 40 gallons of water with a 3 hour contact time.
That's pretty close to what I was thinking.
My owners manual says a 1/4 cup (2 ounces) of bleach for every 15 gallons of fresh tank size - with the 3 hour contact time as you say.
My fresh tank is 44 gallons - call it 45.
So I would use 3/4 cup (6 ounces) of "old fashioned" bleach.
With the more concentrated bleach, I was going to use 4 ounces per this math equation I remember from school:
6 oz of 8.25 bleach
equals
X oz of 5 bleach
X would be about 4 so about 4 oz.
