Valterra Blue Devil 6-Way Pro OTO Test Kit | B7550
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Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
Still not sure? Call (818) 818-6559 and we'll find it for you.
Valterra Blue Devil 6-Way Pro OTO Test Kit B7550 is a comprehensive water testing solution designed to accurately measure chlorine, bromine, pH, alkalinity, hardness, and cyanuric acid levels in pools and spas. This professional-grade kit uses OTO (orthotolidine) testing for quick and precise chlorine and bromine readings, ensuring balanced and properly sanitized water. The easy-to-use color-matching system provides clear results, making routine water maintenance simple and efficient. Packaged in a durable storage case, the Valterra Blue Devil 6-Way Pro Test Kit is an essential tool for maintaining crystal-clear, healthy pool and spa water.
- Comprehensive 6-Way Testing: Measures chlorine, bromine, pH, alkalinity, hardness, and cyanuric acid levels.
- Quick & Accurate OTO Testing: Provides precise chlorine and bromine readings for balanced water chemistry.
- Easy-to-Use Color Matching System: Ensures clear and reliable results for effortless pool maintenance.
- Durable Storage Case: Keeps testing components organized and protected for long-term use.
- Essential for Pool & Spa Care: Helps maintain crystal-clear, properly sanitized water with minimal effort.
- Fill the large test cell to line A with pool water.
- Add Cyanuric Acid test solution to line B, cap, and shake for 30 seconds.
- Wait 2–5 minutes, then pour into the C.A. view tube while looking down at the black dot.
- Stop pouring when the black dot disappears.
- Read the ppm level from the tube scale.
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Recommended Cyanuric Acid level: 30-70 ppm.
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