
Seachem Stability 500mL ^123
March 19, 2025
Seachem Amguard 100mL ^775
March 19, 2025Seachem Stability 2L ^128
$169.99 Original price was: $169.99.$147.02Current price is: $147.02.
Rapid and Safe Aquarium Biofilter Booster for Freshwater and Marine Systems
Seachem Stability® is a premium biological supplement that rapidly and safely establishes the aquarium biofilter, helping prevent the #1 cause of fish death: “new tank syndrome.” Formulated specifically for both freshwater and marine systems, Stability® contains a synergistic blend of aerobic, anaerobic, and facultative bacteria that efficiently break down waste organics, ammonia, nitrite, and nitrate.
Unlike competing products, Stability® bacteria are highly robust and adaptable, capable of thriving under a wide range of water conditions. They are non-sulfur fixing and completely harmless to all aquatic life and plants, making overdosing virtually impossible.
Key Benefits:
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Rapidly establishes a healthy aquarium biofilter
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Breaks down ammonia, nitrite, nitrate, and organic waste
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Safe for all fish, invertebrates, and plants
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Non-sulfur fixing bacteria; prevents hydrogen sulfide formation
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Works under a wide range of temperature, pH, and organic load conditions
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Supports emergency situations, increased bioload, and water changes
Usage Guidelines:
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For cycling a new tank, dose daily for 7 days or as recommended
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Can be used to boost bacteria during water changes or after adding new fish
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UV and ozone filters should be off during dosing (7 days for cycling, 24 hours for additions)
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Can be combined with Seachem AmGuard if ammonia is present for faster detoxification
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Bacteria exist in spore form and activate when added to the aquarium; refrigeration is not required
FAQ Highlights:
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Overdosing Stability® is safe; worst-case scenario is a temporary bacterial bloom
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Most tanks fully cycle in 4–6 weeks using Stability®
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For fishless cycling, add a small ammonia source or pinch of food until ammonia is detected
Ensure a healthy, stable, and well-cycled aquarium with Seachem Stability 2L, the state-of-the-art solution for natural biological management.
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