Pentair Bromine and pH Test KitPentair's Rainbow 2 In 1 Bromine Test Kit provides pool owners with a low cost alternative to more expensive testing kits, yet gives up nothing in terms of accuracy. The Bromine Test Kit comes in a handy plastic case, and contains everything you need to test your water for delicate pH and bromine levels, which determines the overall health of your pool. Its liquid formula makes testing quick and easy, and saves you money by being refillable. This test