--- product_id: 273918239 title: "API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 1-Ounce Bottle" brand: "api" price: "£9.57" currency: GBP in_stock: true reviews_count: 5 category: "Api" url: https://www.desertcart.co.uk/products/273918239-api-quick-start-freshwater-and-saltwater-aquarium-nitrifying-bacteria-1 store_origin: GB region: United Kingdom --- # Instant aquarium cycling Safe for freshwater & saltwater fish Patented nitrifying bacteria API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 1-Ounce Bottle **Brand:** api **Price:** £9.57 **Availability:** ✅ In Stock ## Summary > 🐟 Dive in now—cycle your tank instantly and keep your fish thriving! ## Quick Answers - **What is this?** API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 1-Ounce Bottle by api - **How much does it cost?** £9.57 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/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 - • **Instant Fish Addition:** Start your aquarium with fish immediately—no waiting required. - • **Trusted 50+ Years Innovation:** Backed by decades of research for reliable aquarium care. - • **Dual Freshwater & Saltwater Use:** Versatile formula perfect for all aquarium types and species. - • **Rapid Ammonia & Nitrite Reduction:** Scientifically proven bacteria that swiftly neutralize harmful toxins. - • **Sustains Healthy Biological Filter:** Maintains optimal water conditions for long-term fish health. ## Overview API QUICK START is a 1-ounce liquid treatment containing patented live nitrifying bacteria that instantly kickstarts the nitrogen cycle in both freshwater and saltwater aquariums. It enables immediate fish introduction by rapidly reducing toxic ammonia and nitrite levels, preventing new tank syndrome and fish loss. Trusted for over 50 years, this scientifically proven formula supports a healthy biological filter and promotes a safe, vibrant aquatic environment. ## 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.co.uk/products/273918239-api-quick-start-freshwater-and-saltwater-aquarium-nitrifying-bacteria-1](https://www.desertcart.co.uk/products/273918239-api-quick-start-freshwater-and-saltwater-aquarium-nitrifying-bacteria-1) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-04*