| Safely lowers pH of tap or aquarium water when used as directed. When used in conjunction with Kent pH STABLE, it will provide a buffered, acidic pH in the system. The use of a good pH test kit is absolutely necessary while using this product, and the use of an alkalinity test kit is strongly recommended! • CAUTION! Many electronic pH pens and probes drift over time and frequent calibration with a good test kit is strongly recommended! |