API pH UP and pH DOWN Freshwater Aquarium Water Treatment 1.25oz Bottles 2Pk API pH UP and pH DOWN freshwater aquarium water treatment set provides a complete solution for maintaining optimal water chemistry. These fast-acting formulas allow for precise adjustments to raise or lower pH levels, ensuring a healthy environment for tropical fish, goldfish, and livebearers. Safe for both fish and aquatic plants, each 1.25 fl oz bottle features a childproof safety cap and easy-to-use dropper tip. Both bottles are new in original blister packaging with an expiration date of 04/2027. Measurements: • Volume per bottle: 1.25 fl oz (37 ml) • Total Weight: 4.5 oz