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🐠 Jumpstart your aquarium’s health—no waiting, just thriving!
API Quick Start is a 4-ounce liquid treatment containing live nitrifying bacteria that instantly kickstarts the aquarium cycle by consuming harmful ammonia and nitrite. Suitable for both freshwater and saltwater tanks, it allows immediate fish addition, prevents fish loss, and requires no refrigeration. Trusted by thousands with a 4.7-star rating, it’s the natural, hassle-free way to establish a healthy aquatic environment.



















| ASIN | B006YG1ZLC |
| Best Sellers Rank | #17,871 in Pet Supplies ( See Top 100 in Pet Supplies ) #403 in Water Treatments |
| Brand | API |
| Brand Name | API |
| Customer Reviews | 4.7 out of 5 stars 2,761 Reviews |
| Global Trade Identification Number | 00317163030899 |
| Item Form | Liquid |
| Item Weight | 136 g |
| Liquid Volume | 118 Millilitres |
| Manufacturer | Aquarium Pharmaceuticals |
| Manufacturer Part Number | 89C |
| Model Number | 89C |
| Net Quantity | 118 Milliliters |
| Target Species | Fish |
| UPC | 317163030899 |
| Unit Count | 118 Milliliters |
| country-of-origin | USA |
R**H
Know your water chemistry
Very good but know your water chemistry and what you want to achieve.
A**D
Good product
Good product to start new tank
D**.
Five Stars
This product is cool and best for quick adding fish benificial bectiria
A**N
Nice stuff
Good product..... didnt had to struggle with the new tank syndrome. ....
S**Y
Api
Very good product 👍
A**R
Product is good, but delivery and packaging was bad.
Product is good, but delivery and packaging was bad.
@**Y
Great product but pricey
Great product but pricey, good for when you're starting an aquarium and also lowering ammonia levels when used on a weekly basis. Rather buy mocrolife S2. It does the same job for a fraction of the cost.
G**I
Tq Amazon
Mast pradact 👌👌👌
A**M
Tried and true
Works. It helps to establish the tank over time. There’s no instant cure and you cannot get fish or axolotl or anything in a tank with out any cycle. Wait for it to cycle. Use this. It works well. It takes four weeks to cycle.
P**Z
Good
Good
D**S
It works
It's Quickstart, it's API. It's not bad at all. It does what's supposed to do. Just add it during big water changes (30%+) and you are golden. Good to buy you some time when treating ammonia too.
O**.
un po' difficili da trovare
ottimi prodotti un po' più cari x l Europa e poco commercianti. pratico ed efficace.consiglo x cambi d acqua o avvii di vasche nuove.
S**H
Produit de base
Bon produit pour débuter un aquarium de façon sécuritaire.
Trustpilot
3 weeks ago
2 weeks ago