Seachem Marine Buffer 500g – Stabilises Marine pH to 8.3

Seachem Marine Buffer 500g is a high-capacity pH buffering solution designed to safely raise and maintain marine aquarium pH at 8.3. Its advanced blended formulation prevents dangerous pH spikes, ensuring stability even if accidentally overdosed.

Unlike basic bicarbonate or carbonate substitutes, Marine Buffer uses a carefully engineered blend of carbonate, bicarbonate, and borate salts along with essential elements such as calcium, magnesium, strontium, sodium, and potassium. This unique chemistry improves buffering strength, increases alkalinity stability, and counteracts the natural bicarbonate load introduced during water changes.

Originally the first marine buffer to include borate salts, Seachem Marine Buffer remains one of the most effective and stable pH control solutions for reef and marine aquariums.

Key Features:

• Safely raises and stabilises marine pH at 8.3
• Will not exceed 8.3, even if overdosed
• Advanced blended buffer – not sodium bicarbonate
• Contains carbonate, bicarbonate & borate salts
• Improves alkalinity and long-term pH stability
• Reduces pH swings from water changes
• Ideal for marine & reef aquariums
• Large 500g size for long-term or large systems

Seachem Marine Buffer 500g provides long-lasting pH and alkalinity stability for marine and reef aquariums. Designed for precision, safety, and consistency, it is an ideal choice for reef keepers managing larger systems or long-term maintenance. Available now at Reef Freaks.