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Is your aquarium's pH too high for your aquatic inhabitants? API pH Down is specifically designed to safely and easily lower the pH of your aquarium water, making it more acidic to meet the specific needs of your fish and plants. This fast-acting, colorless solution provides a quick and reliable way to adjust your water parameters without any hassle.
Unlike other products, API pH Down is phosphate-free and nitrate-free, meaning it will not encourage nuisance algae growth. Its gentle yet effective formula will not cloud or color your aquarium water, ensuring clarity and pristine conditions as you achieve the perfect pH balance.
Lowers pH & Increases Acidity: Effectively decreases the pH level of aquarium water, making it more acidic to suit the specific requirements of your aquatic life.
Fast-Acting & Easy-to-Use: Provides quick results and is simple to dose, making pH adjustments straightforward for any aquarist.
Will Not Cloud or Color Water: Maintains the clarity and natural appearance of your aquarium water, ensuring pristine conditions.
Phosphate-Free & Nitrate-Free: Formulated without phosphates or nitrates, which helps prevent unwanted algae growth in your tank.
Safe for Fish & Plants: Gentle on fish and aquatic plants when used as directed, ensuring the well-being of your entire ecosystem.
API pH Down is ideal for all freshwater and marine aquarium owners who need to lower their aquarium's pH level from an undesirable alkaline state to a more acidic range. It's a perfect solution for maintaining stable water parameters and creating an optimal environment for your specific fish and plant species.
Need help with placing an order, delivery, or something else? Start with our Help Page — or message us anytime for support.