Ensure your pool or spa is perfectly balanced with AquaChek® TruTest® Test Strips Refill 50 Pack. This testing kit includes test strips for salt, chlorine, and other important parameters. Keep your pool or spa clean and healthy with AquaChek® test strips, suitable for hot tubs, jetted tubs, and saltwater pools. The AquaChek 561140A Salt Water Swimming Pool Test Strips - White Inground Pool is also included in this bundle. No need to worry about the saltwater spa test strip or saltwater swimming pool test strip condition, as these strips are perfect for anyone looking to maintain the quality of their pool or spa.