The OTO #1 Chlorine Test Solution is an essential reagent for pool and spa owners aiming to maintain optimal water quality. Utilizing orthotolidine (OTO), this solution reacts with chlorine or bromine in water samples, producing a yellow hue that corresponds to the sanitizer concentration. Designed for use with standard color comparator test kits, it provides a straightforward method to assess total chlorine levels, ensuring your pool remains safe and clean.

Key Features:

• Reliable Testing: Accurately measures total chlorine or bromine levels in pool and spa water.

• Easy to Use: Simply add the recommended number of drops to your water sample and compare the resulting color to the provided chart.

• Quick Results: Provides immediate visual feedback, facilitating prompt adjustments to water chemistry.

• Versatile Application: Suitable for both residential and commercial pools and spas.

Specifications:

• Volume: 1 oz (30 mL)

• Active Ingredient: Orthotolidine (OTO)

• Usage: For testing total chlorine or bromine levels

• Compatibility: Designed for use with standard color comparator test kits

Note: This solution tests for total chlorine levels and does not differentiate between free and combined chlorine.