I recently purchased several items from your business. Thank you. Excellent service and prompt delivery along with really well packed items.
- Mark
Great service from Aquarium Kingdom with prompt reply, informative details, great prices & supplied tracking ensuring I know exactly what to expect.
- Nicole T Henley Beach, South Australia
Excellent service. Very knowledgeable staff, great communication. I've shopped here a number of times and have never been disappointed. Thanks so much!
- Devon L.
I just wanted to say a big THANK YOU for your speedy shipment of the order I placed on Monday. I was so shocked to see it on my doorstep on Tuesday!! I don't think we commend one another enough when we do a great job, it's usually only when something goes wrong that you hear about it! So thanks again, and I will be shopping from your store more in the future!
- Bianca M.
API Stress Zyme 237mL - Improves Biological Filter

API Stress Zyme 237mL - Improves Biological Filter

Brand: API
Product Code: APH122
Availability: In Stock
Qty: Add to Cart

API Stress Zyme 237mL - Improves Biological Filter

Contains live bacteria to consume sludge and reduce aquarium maintenance.


  • Keeps aquariums clean
  • Improves biological filter
  • Breaks down organic compounds

Follow API Easy Care Guide and use STRESS ZYME:

Weekly as part of regular care to reduce aquarium maintenance and maintain a strong biological filter STRESS ZYME adds 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.

STRESS ZYME 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.

5ml treats 38 Litres

Use the API Dosing Cap on the bottle. Shake well.

To maintain a clean, healthy aquarium:
Add 1 teaspoon (5ml) per 38L of water weekly.

Expiry Date: 11/2025

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