Specifications: ‣ Dosage Form: Liquid ‣ Active Ingredients: pH stabilizing compounds ‣ Pet Type: Freshwater and saltwater aquariums ‣ Pet Age Range: Not applicable ‣ Dosage: Use as per instructions to maintain pH level Key Features: ‣ Calibrates pH to 4.00 for precise water conditions ‣ Ideal for use in testing and pH calibration ‣ Ensures stable water environment for aquarium health