Seachem Stability

Kick-start your filter with these aquarium filter starters

At a glance...
  • New tank stabilization system for marine and freshwater
  • Rapidly and safely establishes bio-filter
  • Available in a variety of sizes
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An excellent service and delivery. I will definitely be using them again.

What is Seachem Stability?

Seachem Stability is a natural biological management treatment for freshwater and marine systems that contains the beneficial bacteria required to remove toxins present in fish wastes and kick-start a filter. It is designed to prevent 'new tank syndrome' by quickly establishing the biological filtration capacity of your aquarium.

The bacterial culture is formulated specifically to rapidly and safely establish the aquarium biofilter in freshwater and marine systems and prevent the serious danger of fish death in a new aquarium.

Seachem Stability has been designed to boost biological filtration and contains a synergistic blend of aerobic and anaerobic bacteria which will kickstart the breakdown and eradication of waste matter, which can produce toxic hydrogen sulphide, ammonia, nitrite and nitrate.

Stability is non-toxic and therefore safe for all aquatic organisms including aquatic plants. This means that you can't overdose Seachem Stability.

Can Seachem Stability be used in a freshwater aquarium?

Yes, the bacteria employed mean this treatment can be used in both freshwater and marine aquariums. It contains both nitrifying bacteria that break down ammonia and nitrite and denitrifying bacteria that break down nitrate into harmless nitrogen gas, as well as those that tackle toxic hydrogen sulfide.

Why buy Seachem Stability?

The Seachem Stability range has several benefits over competing treatments. It is available in a wide variety of sizes, so you can pick the correct treatment for your aquarium. The treatment has been specifically designed to kickstart the cycling process in new and emptied aquariums and it directly counteracts 'new tank syndrome'.

However, the best thing about the formula is the synergistic blend of facultative aerobic and anaerobic which facilitate the breakdown of waste organics, ammonia, nitrite and nitrate while remaining completely harmless to fish and other aquatic species. It can also be used as an emergency ammonia control.

What is the correct dosage of Seachem Stability?

Use one capful for every 40 litres on the first day with a new aquarium. Then use one capful for every 80 litres daily for seven days. For optimum biofilter performance use one capful for every 40 litres once a month or with each water change and whenever introducing new fish or medicating an aquarium.



Brand Seachem


Product  SKU Total formula
Stability 250ml
126 250ml
Stability 500ml 123 500ml
Stability 100ml SE125 100ml
Stability 250ml + 30% EXTRA FREE 325ml 20074 325ml
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