Drinking Water

See the attached spreadsheet.  Cheers!  Andrew J. MacIntyre BSc. (Chemistry)

Boater’s Drinking Water Cl2 Sanitizing Calculator*
Tank Volume (L) Tank Volume (Imp. Gal.) Cl2 Solution (12%) Vol. (mL) Cl2 Solution (12%) Vol. (tsp) Cl2 Solution (5.25%) Vol. (mL) Cl2 Solution (5.25%) Vol. (tsp)
50 11 1 0.2 3 1
55 12 1 0.2 3 1
60 13 1 0.3 3 1
65 14 1 0.3 3 1
70 15 2 0.3 4 1
75 17 2 0.3 4 1
80 18 2 0.4 4 1
85 19 2 0.4 4 1
90 20 2 0.4 5 1
95 21 2 0.4 5 1
100 22 2 0.4 5 1
150 33 3 0.7 8 2
200 44 4 0.9 10 2
250 55 6 1.1 13 3
300 66 7 1.3 15 3
350 77 8 1.5 18 4
400 88 9 1.8 20 4
450 99 10 2.0 23 5
500 110 11 2.2 25 5
550 121 12 2.4 28 6
600 132 13 2.6 30 6
650 143 14 2.9 33 7
700 154 15 3.1 35 7
750 165 17 3.3 38 8
800 176 18 3.5 41 8
850 187 19 3.7 43 9
900 198 20 4.0 46 9
950 209 21 4.2 48 10
1000 220 22 4.4 51 10
*Table Assumes a final target concentration of 3 ppm in the holding tank
* 1 cup = 47 teaspoons

About Eric Phinney

Past Commodore Renforth Boat Club Rector of Renforth (St. James the Less Church)
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