You save 3,940 (32%)
Estimated doorstep delivery by 20 Nov - 22 Nov from USA






Support a Natural, Healthy Aquarium Environment
API STRESS ZYME is a liquid biological treatment designed for freshwater and saltwater aquariums. It contains over 300 million live beneficial bacteria per teaspoon, which consume sludge, uneaten food, and organic waste, helping to maintain water clarity and quality. Regular use supports a strong biological filter, reduces aquarium maintenance, and promotes a healthy environment for tropical fish, cichlids, goldfish, and reef species. API has over 50 years of experience creating innovative aquarium solutions, ensuring compatibility with other API products for algae control, disease management, and water quality.
API STRESS ZYME naturally boosts the aquarium cycle, making it easier to keep tanks clean without harsh chemicals. It works effectively in both freshwater and saltwater setups, including reef tanks, by supporting beneficial bacteria growth and organic waste breakdown. Many users report clearer water, less frequent cleaning, and healthier fish. It is factory-sealed, supports a safe environment, and is suitable for use in Indian aquariums with local tap water, which often contains chlorine or chloramine that should be neutralized before use.
Imported directly from the USA, API STRESS ZYME arrives with all duties paid, ensuring hassle-free delivery in 11-13 days. Use weekly for ongoing maintenance or at start-up to boost biological filtration. A 64 fl oz bottle provides long-lasting support for tanks up to 100 gallons, making it a cost-effective choice for hobbyists seeking a natural, bacteria-based solution.
Formulation with Over 300 Million Live Bacteria
API STRESS ZYME contains a potent blend of beneficial bacteria that naturally consume organic waste, supporting a balanced, clear water environment. Its research-backed formula outperforms generic treatments by boosting the aquarium's natural cycle, reducing algae and foul odors, and supporting fish health.
Ideal for Hobbyists & Professional Aquarists in India
Designed for use in Indian tap water, which often contains chlorine or chloramine, API STRESS ZYME helps establish and maintain a healthy biological filter. It is factory-sealed, imported from the USA, and arrives with duties paid, ensuring authenticity and quality for your freshwater or saltwater tank. Skip frequent scrubbing and enjoy a vibrant, thriving aquatic environment.
| Beneficial Bacteria Count | Over 300 million per teaspoon |
| Serving Size | 5 ml per 10 gallons (38 L) weekly |
| Cost per use | ₹848 per gallon |
| Shelf life (unopened) | Supports up to 1825 days (5 years) unopened |
| Reapplication math | A 64 fl oz bottle lasts approximately 12 months in a 100-gallon tank with weekly dosing |
| Who should avoid | None, suitable for all freshwater and saltwater tanks |
| Common irritants | None |
| Feature | API STRESS ZYME | Others |
|---|---|---|
| Bacterial Count | Over 300 million beneficial bacteria per teaspoon, supporting natural waste breakdown | Varies; often chemical-based, with no live bacteria content |
| Water Compatibility | Supports freshwater and saltwater aquariums, including reef tanks | Mostly freshwater or saltwater-specific, limited cross-compatibility |
| Shelf Life | Supports up to 5 years unopened, use within months after opening | Typically shorter shelf life, less bacterial viability |
| Water Quality Support | Reduces ammonia, nitrite, and sludge naturally | Chemical additives with limited biological support |
| SKU | wqd3047 |
| GTIN | 00317163100561 |
| Brand | API |
| Size | 64 fl oz (1.89L) |
| Color | No Color |
| Material | Plastic |
| Pet Type | fish |
About API
API has over 50 years of creating innovative aquarium solutions, trusted worldwide for water treatment and fish health products.
Compliance & Legal
This is a dietary supplement; not intended to diagnose, treat, cure or prevent any disease.
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This item:
API STRESS ZYME Aquarium Cleaning Solution 64 fl oz | Natural Organic Bacteria for Freshwater & Saltwater Tanks
8,480

This item
API STRESS ZYME Aquarium Cleaning Solution 64 fl oz | Natural Organic Bacteria for Freshwater & Saltwater Tanks
8,480
Total price:
20,520
You save 8,280 (29%) Extra3 items selected
3 items
20,520You save 8,280 (29%) Extra
| Attributes | Current ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | |
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 8,480 12,420 | 5,080 7,180 | 6,960 9,200 | 7,070 9,350 | 18,270 28,630 | 3,650 5,810 | 6,770 10,100 |
| Brand Name | API | Seachem | Reptile Systems | Feedoo | Frontline | Strongheart | Oster |
| Item Form | Liquid | N/A | N/A | N/A | N/A | N/A | N/A |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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