






⚡ Jumpstart your aquarium’s ecosystem—because your fish deserve the best!
API QUICK START is a 4 oz liquid treatment containing beneficial nitrifying bacteria that instantly initiates the aquarium nitrogen cycle by converting toxic ammonia into harmless nitrate. Suitable for both fresh and saltwater tanks, it enables immediate fish addition, reduces fish loss, and supports tank health after water or filter changes. BPA-free and highly rated by over 2,600 users, it’s a must-have for any serious aquarist.













| ASIN | B006YG1ZLC |
| Allergen Information | BPA-Free |
| Best Sellers Rank | #24,523 in Pet Supplies ( See Top 100 in Pet Supplies ) #195 in Fish Medication & Health Supplies |
| Brand | API |
| Brand Name | API |
| Customer Reviews | 4.7 out of 5 stars 2,631 Reviews |
| Global Trade Identification Number | 00317163030899 |
| Item Form | Liquid |
| Item Type Name | API Quick Start, 4 OZ |
| Item Weight | 136 g |
| Item form | Liquid |
| Item weight | 136 g |
| Liquid Volume | 118 Milliliters |
| Liquid volume | 118 Milliliters |
| Manufacturer | Aquarium Pharmaceuticals |
| Target Species | Fish |
| UPC | 317163030899 |
| Unit Count | 1 Count |
P**Z
Good
Good
A**N
Very Good Product
perfectly pack and delivered on time. if you are a fish keeper then you must have this. to keep you fishes healthy and keep the aquarium cycle balance.
D**H
Bacterial culture
Placed yet to see result. But fishes happy in new tank
S**.
seems like bacteria were dead upon arrival
Case of back luck but it seems bacteria were dead upon arrival - i tried dosing as per bottle instructions and there were no changes in nitrate levels over the course of 3 weeks.
A**H
Dose not work
Killed my fish
Trustpilot
1 month ago
3 weeks ago