Mars Fishcare, a member of the Mars group, has been a leader in the pet industry for more that 50 years, manufacturing hundreds of quality products for aquariums and ponds under the brand names of API and AQUARIAN. API is a leader in developing products and solutions for home aquariums. API offers proven products to simplify aquarium care, including water conditioners, medications, test kits and nutrition. API makes fishcare easier! AQUARIAN is the leading fish food in the UK. AQUARIAN is specially formulated to offer a 100% complete & balanced diet and to enhance the natural colourings of pet fish.