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Our processing time for orders may take up to 24-48 hours. Once processed, the estimated delivery time can take anywhere from 1-5 business days depending on the shipping destination.
FREE SHIPPING* on all orders over in Canada !All orders under , the cost of shipping is only ! *Free shipping is not available when the shipping address is a remote location.More >>
Model#: LVTH-HG-A7902
In Stock: Order now to ship out in 1-2 business days
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Nutrafin Cycle - Biological Aquarium Supplement features a high-concentration formula that immediately establishes a safe biological aquarium environment. Cycle goes to work fast, releasing massive amounts of beneficial bacteria that eliminate toxic ammonia and nitrites and creating a biologically well-balanced aquarium for healthy fish to thrive. Cycle is an all-natural product that will not harm plants, animals or humans. It does not require refrigeration. For fresh and saltwater use.
3 years shelf life
Fast-acting responsive ammonia and nitrite elimination
Consistent performance from each container due to bio-floc technology for improved shelf life and product viability
Ensures that biological pollutants produced by fish are rapidly converted to a non-harmful compound
It is also ideal for quickly establishing safe and essential conditions in new aquarium setups, so that you can introduce fish to new aquariums immediately. Regular application helps to competitively exclude the establishment of undesirable bacteria in aquariums.
Cycle provides consistent results thanks to our unique and proprietary bio-floc technology that preserves product stability, efficacy and shelf life. High-quality production processes ensure that every container of Cycle contains pure, safe bacterial colonies free of undesirable contaminants.
Dosage (New Aquariums) :
All regular maintenance activities (water changes, filter maintenance, etc.) :
After adding new fish and/or medicating :
Weekly dosage to maintain a strong beneficial biological colony :
Treats :