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๐งช Transform your tank into a thriving aquatic oasis with every drop!
API STRESS ZYME is a potent 1-ounce liquid solution containing over 300 million live bacteria per teaspoon that enhances biological filtration in both freshwater and saltwater aquariums. It breaks down toxic ammonia and nitrites, reduces sludge buildup, and promotes a healthier aquatic environment without the need for refrigeration. Trusted by thousands, itโs the essential weekly treatment for maintaining crystal-clear water and vibrant fish health.



















| ASIN | B00BAVUOZE |
| Allergen Information | Apple Free |
| Best Sellers Rank | #80,565 in Pet Supplies ( See Top 100 in Pet Supplies ) |
| Brand | API |
| Brand Name | API |
| Customer Reviews | 4.8 out of 5 stars 659 Reviews |
| Global Trade Identification Number | 00317163010563 |
| Included Components | API 2341 Stress Zyme+ Thermometers |
| Item Form | Liquid |
| Item Type Name | Aquarium Sludge Remover |
| Item Weight | 41.13 Grams |
| Item form | Liquid |
| Item weight | 41.13 Grams |
| Liquid Volume | 1 Fluid Ounces |
| Liquid volume | 1 Fluid Ounces |
| Manufacturer | Mars Fishcare |
| Manufacturer Part Number | 56A |
| Model Number | 56A |
| Number of Packs | 1 |
| Pet Type | Fish |
| Target Species | Fish |
| UPC | 317163010563 |
| Unit Count | 1 Count |
| Unit count | 1 Count |
D**S
So far, so good
I was having some issues controlling nitrites. Used it, two days later, down to zero and stable. I don't see any issues with my Ph, fish, snail, shrimp and plants. I'll keep dosing the water as instructed.
E**Y
Essential for Maintaining a Heathy Aquarium
This is a great product. I add it to every aquarium water change.
A**+
Bad product - Not recommended.
I received an unsealed product and it was already half used.
W**L
Great aquarium product
Keep your fish tank super clean and the water great for your fish. Ive used this for many years.
C**S
Great product.
Great product.
Trustpilot
2 weeks ago
2 months ago