Seachem Stability will rapidly and safely establish the aquarium bio-filter in freshwater and marine systems, thereby preventing the number one cause of fish death: "new tank syndrome".

Formulated specifically for the aquarium and contains a synergistic blend of aerobic, anaerobic, and facultative bacteria which facilitate the breakdown of waste organics, ammonia, nitrite and nitrate. Unlike competing products, the bacteria employed by Stability are non-sulfur fixing and will not produce toxic hydrogen sulfide.

Completely harmless to all aquatic organisms as well as aquatic plants, thus there is no danger of over use. Seachem Stability is the culmination of nearly a decade of research and development and represents the current state of the art in natural biological management.

How to use

Use 1 capful (5 mL) for each 40 L on the first day with a new aquarium. Then use 1 capful for each 80 L daily for 7 days. Fish and other aquatic species may be introduced at any time as long as dosage is maintained for 7 days. For optimum biofilter performance use 1 capful for each 40 L once a month or with each water change and whenever introducing new fish or whenever medicating an aquarium.

We offer FREE Tracked Delivery on orders over €49 and up to 30kg in weight.

For orders under €49 we apply a simple flat fee of €4.95 for TRACKED delivery on all parcels up to 30kg anywhere in the Republic of Ireland or Northern Ireland. No surprises and excellent service.

On our new recurring delivery service, we offer FREE Delivery on all orders over €29. Just choose recurring delivery on any applicable product

Please note an additional charge will incur for orders over 30kg in weight.

Orders are processed Monday to Friday (excluding public holidays) and you should receive your order within 2-5 working days.  If we have any issue with the stock, size or colour of any of your products we will contact you via phone or email.