API Stress Zyme - 1.89 Litre

  • RRP: $98.95
  • Our Price: $70.95
  • Save: $28.00
For over 50 years, API has been a leader in the Aquatics industry developing and perfecting products and solutions for indoor aquariums. API’s family of products includes treatments, testing, nutrition, and equipment and pond products.The research and development scientists at API have pioneered scientific studies on aquarium treatments that have led to significant advances in the care of ornamental fish.

Free shipping on orders over $99.

Product Description

Introducing The API Stress Zyme in a 1.89L size. The API Stress Zyme contains live bacteria to consume sludge and reduce aquarium maintenance. Stress Zymeadds beneficial bacteria to break down and consume organic matter to help keep the aquarium clean. The bacteria in Stress Zyme is uniquely suited to consume aquarium sludge, and keep the gravel clean. Contains over 300 million live bacteria per teaspoonful. Breaks down organic compounds that cause dangerous conditions such as ammonia and nitrite poisoning and low oxygen levels. These bacteria improve the development of the biological filter and help clean a dirty aquarium. Making Stress Zyme a part of regular care assures an active biological filter, cleaner aquarium, healthier fish and good water quality. No refrigeration necessary. For use in fresh and saltwater.

Key Features & Benefits:

  • Keeps aquariums clean.
  • Improves biological filter.
  • For use in fresh and saltwater.


  • Use the API Dosing Cap on the bottle.
  • Shake well.
  • To maintain a clean, healthy aquarium: add 1 tsp. (5ml) per 10 U.S. gallons of water weekly.


  • Size: 1.89L

Additional Information

Brand API
Animal Fish
Barcode 0317163100561

Quick FAQs

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Shipping: We offer free shipping to most metro zoned orders in Australia over the value of $99. Please see our Shipping page for more info on order dispatch times and postage costs.

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Warranty: You may return new and unused products within thirty (30) days of delivery for a refund minus shipping costs. All of our pet supplies are purchased from verified local suppliers and include manufacturers warranty.

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    Stress zyme

    This product was a great price and arrived quickly.

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