Seachem Alkaline Buffer™ – pH & Alkalinity Support for Planted Aquariums
Seachem Alkaline Buffer™ is a non-phosphate buffer designed to raise pH and increase alkalinity (KH) in freshwater aquariums. Ideal for planted tanks or very hard water where phosphate buffers may cause algae or cloudiness, it gently stabilizes water between pH 7.2–8.5, supporting a healthy aquarium environment.
Key Features:
• Adjusts pH to 7.2–8.5
• Increases alkalinity (KH)
• Non-phosphate formula – safe for plants
• Gentle, safe, and easy to use
• Ideal for planted aquariums and hard water setups
• Size: 300g





