Sterazin Pond Fish Treatment

Product Code: 008 EAN: 5018438000085

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STERAZIN - parasiticide.

STERAZIN is used or the control of gill and body parasites which cause fish to flick when no symptoms are visible to the unaided eye. STERAZIN will also aid the control of internal parasites such as Round Worm, Thread Worm, and Intestinal Worm. In order to destroy the parasites in all stages of their life cycle you will need to use the product on days 1, 3, 6, 8 and 10. STERAZIN may also be used to aid the sterilisation of aquatic plants and is highly biodegradable.

Do not use when crustaceans, echinoderms, rays, seawater sharks, pirahna, sturgeon or sterlets and related species are present.

Suitable for seawater, tropical freshwater and coldwater aquaria or pond.

Sterazin P is safe even with sensitive fish such as Orfe and Rudd.

In addition, Sterazin fish health properties can be used to aid the sterilisation of new plants when introduced to your pond. Plants should be bathed in a clean container and left in solution for 2 hours.

N.B. However, this behaviour can also be caused by protozoan parasites, high ammonia and nitrite levels etc. 


  • Parasiticide
  • Aids plant sterilisation
  • Safe with fish, plants and filtration bacteria

Select Your Options

WaterLife Sterazin 2 500ml

Treats 3000 litres (660 gallons)

WaterLife Sterazin P 125ml

Treats 1800 litres (400 gallons)

WaterLife Sterazin 60ml

Treats 180 litres (40 gallons)

Your Selected Options:

  • WaterLife Sterazin 2 500ml

£15.99 inc. VAT

Delivery Information

Fast Free UK Delivery on orders over £60.00.*
Smaller orders under £60.00 are subject to a £4.95 delivery charge. Delivery will typically be made within 2 - 3 working days but may be extended during peak times.

We Can Offer Next Day Delivery for £7.95*
To meet our deadline for this service you must order before 11.00am to ensure delivery for the next working day. This excludes weekends and bank holidays.

*Extra charges or restrictions will apply to certain UK postcodes. These include parts of Scotland, The Highlands, Northern Ireland and offshore Isles. Please note Next Day delivery is not available to these locations. Please click here for a full list of postcode exclusions and contact us today for a personalised quote. 

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