API pH Adjust Up Liquid in the 473mL bottle offers aquarium hobbyists a larger volume for efficiently raising pH levels in multiple tanks or larger aquatic setups. Its concentrated formula provides effective pH adjustment while minimizing product usage. With its trusted brand reputation and proven performance, API pH Adjust Up Liquid - 473mL is a reliable choice for maintaining optimal water chemistry in freshwater and saltwater aquariums. Offers a large volume of pH adjust up liquid, ensuring a steady supply for maintaining stable water parameters in larger aquariums or multiple tanks. Formulated with high-quality ingredients, this liquid effectively raises pH levels without harming aquatic life. Enhances the health and vibrancy of alkaline-loving plants while creating an ideal habitat for pH-sensitive fish species.