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Use the API® NITRATE TEST KIT to ensure that the nitrate levels in your tank are safe and healthy for your fish
Soft and comfortable inner mat that can be removed for cleaning
The comfortable and supportive surface encourages your cat to scratch
Safe for use around pets and the home when used as directed
Calcium for healthy
API Ammonia Test Kit Cat Litter Use the API® NITRATE TESTThe API AMMONIA TEST KIT measures ammonia to help prevent fish loss, as ammonia is the number one stressor and killer of tropical fish. Ammonia is released into an aquarium in the forms of uneaten food, decaying organic matter, and when fish release it through their gills, urine, and solid waste. The API AMMONIA TEST KIT is a mercury free, salicylate test for fresh and saltwater fish, and measures ammonia levels from 0 to 8 ppm. Sizes Contains 130