On Tue, 05 Aug 2003 22:03:23 GMT, Peggie Hall
wrote:

1. Prepare a chlorine solution using one gallon of water and 1/2 cup (4
oz) Clorox or Purex household bleach (5-7% sodium Hypochlorine
solution). With tank empty, pour chlorine solution into tank. Use one
gallon of solution for each 5 gallons of tank capacity.
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Peggie Hall
Specializing in marine sanitation since 1987
Author "Get Rid of Boat Odors - A Guide To Marine Sanitation Systems and
Other Sources of Aggravation and Odor"
http://www.seaworthy.com/html/get_ri...oat_odors.html

1 US gallon = 4 US quarts = 8 US pints = 8 X 16 US fluid ounces
1/2 US cup = 4 US fluid oz

SO
1/2 cup per gall is
4 in 8X16

OR
1 in 2X16 thats 1:32 by volume
That seems like a 3% solution to me.

But what do I know?

Brian W