SEACHEM POND STABILITY 500ML
This product is available for in-store pick-up only.
Product Overview
Pond Stability® rapidly and safely establishes the biofilter in new ponds, preventing fish deaths caused by incomplete biofilter cycling. It also helps prevent and reduce sludge buildup.
Key Benefits
- Contains a synergistic blend of aerobic, anaerobic, and facultative bacteria
- Facilitates breakdown of waste organics, ammonia, nitrite, and nitrate
- Non-sulfur fixing bacteria – does not produce toxic hydrogen sulfide
- Safe for all aquatic organisms and aquatic plants
- Can be used without risk of overuse
Formulation
| Component | Function |
|---|---|
| Aerobic Bacteria | Breaks down organic waste in oxygen-rich environments |
| Anaerobic Bacteria | Processes organic matter in oxygen-free conditions |
| Facultative Bacteria | Adapts to both oxygen-rich and oxygen-poor environments |
FAQ
How long does it take for Pond Stability® to establish a biofilter in a new pond?
Pond Stability® begins establishing the biofilter rapidly, typically within a few days when properly applied to a new pond.
Can Pond Stability® be used in existing ponds with established fish populations?
Yes, it can be used in existing ponds to help maintain or improve biofilter function and reduce sludge buildup.
Is Pond Stability® safe for aquatic plants?
Yes, Pond Stability® is completely harmless to aquatic plants and all aquatic organisms.

Benjamin Ball –
Used Pond Stability® in a new pond after setting up the filtration system. Fish stayed healthy and water clarity improved within a week. No fish deaths or sludge issues since adding it.
Dan White –
Helped stabilize the pond after the first few weeks. The water became clearer and the fish seemed more active. No signs of hydrogen sulfide or ammonia spikes.
Ava Bailey –
Great product for new pond setups. The bacteria blend works well and the pond has maintained good water quality without needing frequent water changes.