2 in 1 Water Testing ToolThe spa water chlorine tester is a handy tool to test water pH and chlorine level for swimming pool and spa, it is a perfect water quality measuring tool. PH TesterLarge screen displays test result on pH and chlorine level for easy and accurate reading. Easy to use, you can quickly test whether the chlorine and pH are within the ideal range. High Quality MaterialThe pool tester is made of premium plastic shell, which is durable and sturdy , accurate and fast, specially designed for family sized swimming pools or spas. Easy to UseYou can quickly find your ideal range, chlorine and pH pH level for your pool water. If your CL/PH is out of this range, you can restore it to an appropriate range by adding ingredients according to your CL/PH adjustment needs. 100% GuaranteeWe promise every customer 100% shopping satisfaction, please don't hesitate to contact us if you have any questions about your purchase. We will give you a professional and detailed response within 24 hours. Click to buy now!