Keep your pool or spa water safely sanitized with the Valterra Blue Devil No.1 OTO Chlorine Level Indicator, a generous 32-ounce reagent refill built specifically for Blue Devil Test Kits. Consistently tracking chlorine concentration is one of the most important steps in protecting swimmers from harmful bacteria and preventing algae buildup. Simply dispense the OTO solution into a water sample according to your test kit directions, then match the color change against the included reference chart to quickly gauge your chlorine reading. Works seamlessly with all current Blue Devil Test Kits.

Key Benefits

• Dependable chlorine detection: Formulated to pair with Blue Devil Test Kits for trustworthy water analysis every time.
• Straightforward testing process: Mix with a water sample, observe the color shift, and read results in moments.
• Promotes healthier water: Supports proper chlorine maintenance that guards against bacterial contamination and algae.
• Generous 32-ounce capacity: Supplies enough reagent for extended seasons of routine pool and spa testing.
• Critical pool care supply: An indispensable addition to any maintenance routine for sparkling, swimmer-safe water.

Specifications

• Brand: Valterra
• Part Number: B7510

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