Kordons Aquarium Water Conditioning Kits have been updated and now contain bottles of both AmQuel+ and NovAqua+water conditioners. Suitable for treating fresh or salt water these kits are a convenient way to insure having a supply of both AmQuel+ and NovAqua+ on hand for smaller aquariums water changes or for transporting fishes. AmQuel+ and NovAqua+have been designed as team products that work together to provide the best in water quality. The AmQuel+ and NovAqua+that are included in these Aquarium Water Conditioning Kits will condition water (either tap water or bottled drinking water) to make it suitable for fishes and invertebrates. AmQuel+ and NovAqua+ will also improve the conditions in existing aquariums. Many fishes are tolerant of a wide range of water conditions but all fishes need good clean non-toxic water.