Fishless Cycle System by Atoll
The Atoll Fishless Cycle is a specialized water treatment solution designed to help aquarium owners safely cycle their tanks without using live fish. It provides a controlled environment for establishing beneficial bacteria that break down harmful ammonia and nitrite compounds.
How It Works
The system uses a combination of chemical media and biological filtration to simulate the natural cycling process. It allows users to monitor water parameters in real time and adjust conditions as needed.
Key Features
- Safe for use in fishless cycling environments
- Supports ammonia and nitrite conversion
- Easy to set up and maintain
- Compatible with standard aquarium setups
| Parameter | Value |
|---|---|
| Capacity | 10 gallons |
| Material | Food-grade plastic |
| Operating Temperature | 60°F to 80°F |
| Power Requirement | 12V DC, 1A |
FAQ
Can the Fishless Cycle be used with a new aquarium setup?
Yes, the Atoll Fishless Cycle is specifically designed for new aquariums and helps establish a stable biological filter before introducing fish.
How long does it take to complete a fishless cycle with this system?
The cycle typically takes 2 to 4 weeks depending on water temperature and maintenance frequency.
Is the system safe for use with sensitive fish species?
Please contact customer service

Rebecca Nash –
This system made cycling my tank much easier. I was able to monitor ammonia levels and adjust the setup without risking fish. The instructions were clear and the device worked reliably over several weeks.
Virginia Short –
I used it for my first aquarium and it helped me avoid the common pitfalls of fishless cycling. The temperature control was stable and the readings were accurate. A bit bulky but worth it for the peace of mind.
Penelope Hardacre –
Great product for beginners. I followed the setup guide exactly and saw a steady drop in ammonia levels. No fish were needed, and the system maintained clean water throughout the process.