trousse d analyse 5 en 1 chlore brome ph alcalinite demande d acideThe 5 in 1 test kit is an essential tool for any pool owner concerned about water quality. This kit measures your pool's chlorine, bromine, pH, alkalinity and acid demand. By knowing these measurements, you can easily adjust the chemical levels to maintain healthy and balanced water. The kit is easy to use and includes detailed instructions for each test. Keep your pool clean and clear with the 5 in 1 test kit.