Charterhouse Aquatics is a UK aquatics retailer offering a wide range of products for marine and tropical aquariums, freshwater tanks, ponds and reptiles. The company describes its aquarium dry-goods selection as the largest in the UK and provides design, installation and maintenance services through its specialist team.

Its catalogue includes aquariums, custom and complete tank packages, filtration systems, pumps, lighting, heating and cooling equipment, water treatments, testing supplies, foods and maintenance tools. Marine hobbyists can shop for reef equipment, coral foods, live sand and related fittings, while freshwater customers can find planted-tank supplies, CO2 equipment, décor and live plants. The retailer also sells fish, corals, pond equipment and livestock, alongside reptile habitats, heating, lighting, food and care products. Additional categories include birds and specialist plants.

Charterhouse Aquatics supports customers with help guides, a help centre, aquarium calculators and delivery and returns information. Its services and broad product range cater to aquarium keepers at different stages, from beginners selecting a complete kit to enthusiasts planning a custom aquarium.