Seachem Stability – Biological Starter & Aquarium Bacteria Supplement

Seachem Stability® is a powerful biological aquarium stabiliser designed to quickly establish and maintain a healthy biofilter in both freshwater and saltwater aquariums. Using a unique blend of aerobic, anaerobic, and facultative bacteria, Stability breaks down ammonia, nitrite, and nitrate, preventing dangerous spikes that can harm fish and invertebrates.

Unlike many bacterial additives, Stability’s formulation ensures the bacteria remain stable and effective in a wide range of water conditions. Safe for all fish, plants, corals, and invertebrates, Stability is the trusted choice for cycling new tanks, recovering after water quality issues, and maintaining long-term balance in your aquarium.

Key Benefits of Seachem Stability

• Rapidly establishes the biological filter

• Prevents ammonia & nitrite toxicity

• Contains a blend of beneficial bacteria for freshwater & marine aquariums

• Safe for fish, plants, corals & invertebrates

• Helps stabilise aquariums after water changes, medication, or filter cleaning

• Non-toxic, 100% natural and easy to use

Available Sizes & Water Treatment Capacity

• 100 mL – treats up to 400 L

• 250 mL – treats up to 1,000 L

• 500 mL – treats up to 2,000 L

• 1 L – treats up to 4,000 L

Directions for Use

• Shake well before use.

• On new setups: Add 5 mL per 40 L on the first day, then daily for 7 days.

• For established aquariums: Add 5 mL per 80 L after cleaning filters, adding new fish or with every water change to maintain optimal biological balance.

Seachem Stability is the essential aquarium bacteria supplement for cycling new tanks and keeping your water parameters stable long-term. With its reliable and proven formula, it’s the go-to choice for aquarists who want a safe, balanced, and thriving aquarium.