For maintaining your pool or spa’s water chemistry, Poolmaster’s 5-Way Pool Water Testing Kit is a great choice. The included case holds all necessary components neat and tidy. Easy-to-read indicator panel and round clear-view block make testing your water’s chemistry a breeze. Includes solutions # 1-5. Please note, solution #2 Phenol Red is for use with 5-Way Test Kits and Phenol Red is for use with 2 or 3-Way Test Kits. #2 Phenol Red is included in this kit. Water test kit case color comes in either black or blue; contents are the same. Poolmaster’s Essential Collection consists of the must-have products for customary pool and spa maintenance constructed with durable materials designed to keep your pool sparkling.