Fluval - Ammonia Remover for AC70/AC110, 36.6 oz / 1038 g - for Use in Freshwater Aquariums 3-PackBrand: Fluval Color: Blue Features: Highly Effective Removal: Remover uses natural ion exchange clinoptilolite to efficiently eliminate harmful elements from your aquarium, ensuring a healthier and safer aquatic environment for your fish Controls Aquatic Environment: This powerful filter media not only removes harmful elements but also helps control levels, preventing the buildup of harmful chemicals that can be dangerous to your aquatic life Perfect