Chlorine Solution Preparation

	5% Bleach added to 10 times water for 50 ppm solution*
Well Casting Diameter	Distance from water level to bottom of well
Well Casting Diameter	0-50 Feet	50-100 Feet	100-200 Feet	100-200 Feet	300-400 Feet	400-500 Feet
Up to 2 inches	1 ounce	2 ounces	4 ounces	6 ounces	8 ounces	11 ounces
2 – 4 inches	4 ounces	8 ounces	½ quart	1 quart	1-¼ quarts	1-½ quarts
4 – 6 inches	8 ounces	½ quart	1 quart	1 quart	¾ gallon	¾ gallon
6 – 8 inches	½ quart	1 quart	¾ gallon	1 gallon	1-¼ gallons	1-½ gallons
8 – 12 inches	½ gallon	¾ gallon	1-¼ gallons	1-¾ gallons	2-½ gallons	3 gallons
12 – 16 inches	½ gallon	1 gallon	2 gallons	3 gallons	4 gallons	5 gallons
16 – 20 inches	¾ gallon	1-½ gallons	3 gallons	5 gallons	6 gallons	8 gallons
20 – 24 inches	1 gallon	3 gallons	5 gallons	7 gallons	9 gallons	11 gallons
24 – 30 inches	2 gallons	4 gallons	7 gallons	11 gallons	14 gallons	18 gallons
30 – 36 inches	3 gallons	5 gallons	10 gallons	15 gallons	20 gallons	25 gallons

Sizing / Design Calculators