--- product_id: 273918239 title: "API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 1-Ounce Bottle" brand: "api" price: "HK$159" currency: HKD in_stock: true reviews_count: 5 category: "Api" url: https://www.desertcart.hk/products/273918239-api-quick-start-freshwater-and-saltwater-aquarium-nitrifying-bacteria-1 store_origin: HK region: Hong Kong --- # Instant aquarium cycling Supports freshwater & saltwater fish Patented nitrifying bacteria API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 1-Ounce Bottle **Brand:** api **Price:** HK$159 **Availability:** ✅ In Stock ## Summary > ⚡ Start your aquarium journey today—don’t let new tank syndrome steal your fish! ## Quick Answers - **What is this?** API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 1-Ounce Bottle by api - **How much does it cost?** HK$159 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/273918239-api-quick-start-freshwater-and-saltwater-aquarium-nitrifying-bacteria-1) ## Best For - api enthusiasts ## Why This Product - Trusted api brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Fresh & Saltwater Use:** Versatile treatment perfect for both freshwater and saltwater aquariums. - • **Cycle Your Aquarium Instantly:** Add fish immediately without waiting for harmful ammonia to build up. - • **Scientifically Proven Formula:** Patented live bacteria rapidly consume toxic ammonia and nitrite for a safer tank. - • **Maintain Healthy Water Conditions:** Keeps biological filters active to reduce fish stress and loss over time. - • **Trusted by Aquarists for 50+ Years:** API’s research-driven solution ensures your fish thrive with less hassle. ## Overview API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria is a 1-ounce liquid treatment containing patented live bacteria that instantly kickstarts the nitrogen cycle in new or established aquariums. It rapidly reduces harmful ammonia and nitrite levels, allowing immediate fish addition and promoting a healthy aquatic environment for both freshwater and saltwater species. Trusted for over 50 years, API’s formula helps prevent fish loss and supports biological filter activity, making aquarium care easier and more reliable. ## Description In a new aquarium, harmful ammonia and nitrite build up from fish waste, often resulting in fish loss or “new tank syndrome”. The unique, patented nitrifying bacteria in API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria are scientifically proven to quickly consume ammonia and nitrite to help prevent fish loss. API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria allows immediate addition of fish to a new freshwater or saltwater aquarium as it immediately starts the aquarium cycle. This treatment also helps to maintain an active biological filter in an established aquarium for healthy water conditions. API QUICK START contains live, nitrifying bacteria. With API Aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. For over 50 years, API has been creating innovative, research-driven solutions that make it easier to care for your fish and aquarium. API Aquarium Treatment Supplies are designed to work in conjunction with each other to provide best results to control algae, promote healthy bacterial growth and help control and cure fish diseases and conditions such as ich and fin rot. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. With API, you can spend more time admiring your fish, and less time scrubbing your tank. Make sure to use all products as directed in order to ensure the best results. Review: Came quick Review: Works great ## Features - Contains one (1) API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 1-Ounce Bottle - Allows instant addition of fish when starting a new aquarium - Reduces compounds harmful to fish when used routinely - Helps prevent fish loss in freshwater and saltwater aquariums - Use when starting a new aquarium, when adding new fish and when changing water and filter media ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00DDYZQY0 | | Allergen Information | Apple Free | | Best Sellers Rank | #24,891 in Pet Supplies ( See Top 100 in Pet Supplies ) #194 in Fish Medication & Health Supplies | | Brand | API | | Brand Name | API | | Customer Reviews | 4.5 out of 5 stars 1,106 Reviews | | Global Trade Identification Number | 00317163010891 | | Item Form | Liquid | | Item Weight | 41.13 Grams | | Item form | Liquid | | Item weight | 41.13 Grams | | Liquid Volume | 1 Fluid Ounces | | Liquid volume | 1 Fluid Ounces | | Manufacturer | API | | Manufacturer Part Number | 89A | | Model Number | 89A | | Number of Packs | 1 | | Pet Type | Fish | | Target Species | Fish | | UPC | 317163010891 | | Unit Count | 1 Count | | Unit count | 1 Count | ## Product Details - **Brand:** API - **Item form:** Liquid - **Item weight:** 41.13 Grams - **Liquid volume:** 1 Fluid Ounces - **Number of Packs:** 1 ## Images ![API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 1-Ounce Bottle - Image 1](https://m.media-amazon.com/images/I/71fqv27+R3L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Came quick *by B***R on 1 February 2026* ### ⭐⭐⭐⭐⭐ Works great *by C***E on 4 March 2026* ### ⭐⭐⭐⭐⭐ Superb products. *by M***S on 23 February 2026* ## Frequently Bought Together - API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 1-Ounce Bottle, Blues & Purples - API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit, White, Single, Multi-colored --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hk/products/273918239-api-quick-start-freshwater-and-saltwater-aquarium-nitrifying-bacteria-1](https://www.desertcart.hk/products/273918239-api-quick-start-freshwater-and-saltwater-aquarium-nitrifying-bacteria-1) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-07-06*