Features Alkaline BufferTM is a non-phosphate buffer designed to raise pH and alkalinity (KH) and buffer with Acid BufferTM. These buffers are designed for the planted aquarium or for very hard water where phosphate buffers may pose an algae or cloudiness problem. Alkaline BufferTM raises pH and buffers between 7.2 and 8.5. It is gentle, safe, and enhances the freshwater environment |