The Tetra Aquasafe Plus Water Conditioner is a high-quality water conditioner that helps maintain a healthy pH level and alkalinity in your water. The Aquasafe Plus features a blue powder that helps reduce chlorine and other volatile organic chemicals from entering the water. It also has a carbonate hardness scale that helps determine how hard your water is. The Aquasafe Plus is easy to use and clean, and it comes with a one-year warranty.