Seachem Acid Buffer is a high-quality, non-phosphate buffer designed to lower and stabilize pH in freshwater aquariums. This powerful product is perfect for the discerning aquarium enthusiast, offering a safe and effective way to maintain the ideal pH levels for your aquatic pets. The Seachem Acid Buffer is unique in its ability to lower pH and buffer at an acidic pH of 4.0 to 6.8, which is ideal for several freshwater species like tetras, discus, and angelfish. Unlike many other products on the market, this buffer does not contain phosphates, making it safer for your fish and less likely to cause unwanted algae blooms or harm to invertebrates. One of the standout features of the Seachem Acid Buffer is its versatility. It can be used alone or paired with Seachem Alkaline Buffer to achieve a desired pH when performing water changes or adding tap water. This flexibility allows you to create the perfect environment for your fish, regardless of your water source. The Seachem Acid Buffer also offers exceptional value. Each 300g bottle can treat up to 3,000 gallons of water, making it a cost-effective solution for maintaining the health and vibrancy of your aquarium. In summary, the Seachem Acid Buffer is a superior choice for maintaining optimal pH levels in your freshwater aquarium. Its non-phosphate formula, versatility, and cost-effectiveness make it an invaluable tool for any aquarium enthusiast. With Seachem Acid Buffer, you can ensure a healthy, thriving aquatic environment for your beloved pets.