Top quality aquarium equipment in Northwood and Watford

If you are looking for the latest and the best aquarium equipment in Northwood or Watford, then get in touch with Underwaterworld today! We stock internal filters, air pumps, UV lights, LED lights, T5 lights and tubes, heaters, reactors, skimmers, wave controllers, phosphate removers, gravels, sands, dry foods and much more.

Our Services




Fish & Coral

Top brand aquarium equipment

  • Ehiem
  • Fluval
  • Juwel
  • Hugo Aquariums
  • Jebao
  • Schego and much more
  • Aquarium cleaning

    We can clean all types of aquarium, including reef, tropical, freshwater and cichlid. We clean the cover glass, filtration units, gravels, and plastic plants, and can also help you with the algae problems with your aquarium. To learn more about our cleaning services, get in touch with us today!


    “We have used this company for initial tank design and set up as well as ongoing maintenance contract and help during emergencies. Mark and the team are always very friendly, accommodating and reliable. They offer an excellent personalised service and their extensive knowledge and experience is evident from their work as well as their help and advice. We are very grateful for all they have done for us and happy to recommend them.”

    – Anne Allibone

    “Underwaterworld provides an excellent professional service. They come when they promise and are keeping our aquarium in tiptop shape and also doing extra things to make it look even better which is very much appreciated. We are very satisfied and feel we are getting good value for what we pay.”

    – Jolana Leinson

    Quality aquarium supplies

    An aquarium is always a stunning addition to your home, and maintaining it is a rewarding hobby. At Underwaterworld, we stock a wide range of equipment that can help you sustain the marine life of your aquarium. We only stock the latest equipment on the market and can help you buy the right equipment for your aquarium or fish tank. We can also come to your home or office and fix the equipment at a time that’s convenient for you.

    To install an aquarium in your home or office, call Underwaterworld on