Everything you need for successful Fishless Cycling
DrTim’s Aquatics best-selling product, One & Only Live Nitrifying Bacteria is the ultimate nitrifying bacteria for use in fishless cycling. Now you can put an end to “New Tank Syndrome” forever. DrTim’s Aquatics offers complete, step-by-step instructions on how to do fishless cycling using the products below
Check out the Guides and Recipe Cards for Fishless Cycling
- DrTim’s Guide to Fishless Cycling
- Quick Guide to Fishless Cycling with One and Only
- Recipe Card for Fishless Cycling a New Aquarium (PDF)
| Image | Product Name | Product Description | More Info | How to Buy |
|---|---|---|---|---|
 | ONE & ONLY Live Nitrifying Bacteria for Freshwater Aquaria | One & Only Live Nitrifying Bacteria prevents new tank syndrome by instantly working to establish a biofilter in newly set-up aquaria. Use One & Only to control ammonia and nitrite levels. Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. | Product Info | Buy Now |
 | ONE & ONLY Live Nitrifying Bacteria for Saltwater Aquaria | One & Only Live Nitrifying Bacteria prevents new tank syndrome by instantly working to establish a biofilter in newly set-up aquaria. Use One & Only to control ammonia and nitrite levels. Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. | Product Info | Buy Now |
 | ONE & ONLY Live Nitrifying Bacteria for Reef, Nano and Seahorse Aquaria | One & Only Live Nitrifying Bacteria prevents new tank syndrome by instantly working to establish a biofilter in newly set-up aquaria. Use One & Only to control ammonia and nitrite levels. Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. | Product Info | Buy Now |
 | ONE & ONLY Live Nitrifying Bacteria for Koi Ponds & Water Gardens | One & Only Live Nitrifying Bacteria prevents new tank syndrome by instantly working to establish a biofilter in newly set-up aquaria. Use One & Only to control ammonia and nitrite levels. Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. | Product Info | Buy Now |
 | Ammonium Chloride Solution for Fishless Cycling | This bottle of reagent grade ammonium chloride is for use when fishless cycling. Concentration is 40 mg/ml of total ammonia-nitrogen (TAN). Dose 4 drops per gallon of aquarium water.* Use with One and Only Nitrifying Bacteria. | Product Info | Buy Now |
 | ASF - Ammonia Test Kit | Ammonia test kit for both freshwater and marine aquariums. 40 tests, measures up to 5 mg/L. Easy to use, high quality, European-made. | Product Info | Buy Now |
 | ASF - Nitrite Test Kit | Nitrite test kit for both freshwater and marine aquariums. About 100 tests, measures up to 1 mg/L. Easy to use, high quality, European-made. | Product Info | Buy Now |
 | ASF pH Test Kit | ASF pH Test Kit | Product Info | Buy Now |
 | ASF - Alkalinity (KH) Test Kit | ASF Test kit for Alkalinity or KH (carbonate Hardness) | Product Info | Buy Now |
 | ASF - Phosphate Test Kit | ASF - Phosphate Test Kit | Product Info | Buy Now |
| ASF - Nitrate Test Kit | ASF - Nitrate Test Kit | Product Info | Buy Now |
Yes, there really is a Dr. Tim. It all started with 2 goldfish won at a school fair at age 6 that didn’t survive their first night in his care. DrTim’s gotten better at fish keeping since then! Read Our Story.