The AquavaChek Pool & Spa testing . SPA 6-in-1 B19 is a pool and spa water testing kit from Blue Wave. It includes a 6-in-1 test strip for easy and convenient testing of various water parameters such as pH, chlorine levels, and carbonate hardness. This product comes with a 30-day money-back guarantee and professional customer service, ensuring customer satisfaction and resolving any issues. Perfect for maintaining the water quality of your pool or spa, the AquavaChek testing kit provides reliable results for a healthy and safe swimming environment.