East Bay 3-in-1 Water Test Kit for Swimming Pools & Spas | Water Chemical Test Kit for pH, Total Chlorine and Total Bromine 3-WAY POOL & SPA WATER TESTING: Accurately test Total Chlorine, Total Bromine, and pH levels with one simple kit. Designed for residential swimming pools, hot tubs, and spas, this water testing kit works with both freshwater and saltwater systems to help maintain balanced, safe water. FAST & EASY TO USE: Get clear, reliable results in seconds. Simply collect a water sample using the included comparator, add the designated reagents, and match the color results. Use the step-by-step instructions with easy-to-diagrams to make testing simple. EXPERT-GRADE ACCURACY: Engineered to meet trusted industry standards for dependable results. Regular testing helps prevent cloudy water, skin irritation, and equipment damage by keeping your pool or spa chemistry properly balanced. COMPLETE TEST KIT INCLUDED: Each pool testing kit includes 1 x Heavy-duty plastic storage case, 1 x Instruction manual, 1 x Comparator, 1 x 0.67oz Orthotolidine reagent bottle & 1 x 0.67oz pH indicator solution bottle. DURABLE & LONG-LASTING: The East Bay Water Testing Kit offers enough materials for over 100 individual tests, providing enduring value and reliability for your water testing needs.