High Ammonia in Your Aquarium?
You can add live aquarium plants. Aquatic plants absorb ammonia and change it into nitrates used in photosynthesis and the Nitrogen Cycle for a healthy balance. Their leaves or roots do the absorption. Rooted plants are more efficient. Aquarium plants also produce oxygen and absorb carbon dioxide for a healthy environment.
Water changes will lower ammonia. Test the water for ammonia before adding it. Change 25% of the water and test after 2-3 hours.
You can add beneficial bacteria. A biofilter provides a substrate for nitrifying bacteria to grow, which consume ammonia and produce nitrite. UltraClear® Freshwater Aquarium Treatment is an aquarium treatment for fresh water aquariums & marine (salt water) aquariums.
Feed less. Leftover food can create ammonia.
Reduce stocking by adding another tank or increase the tank size.