Test kit, chlorine, hardness, iron & pH , model CN-39WR

Chlorine, Hardness, Iron, and pH Test Kit combines the most popular water treatment test into one compact kit.

• Includes frequently measured water quality parameters in one rugged test kit
• Uses simple, economical drop count titration and color disc methods
• Tests chlorine (0-3.4 mg/L), hardness (1-20 gpg), iron (0-4 mg/L), and pH (4-10).