Aquarium Substrates

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If you're starting your own marine tank with a coral reef, Caribsea Aragonite Aragamax Grand Bahama can be a fantastic substrate for your tank. Complete with shells to make your aquarium look even more amazing, this sand helps to create a natural biological and mineralogical balance to prevent algae growth and improve the health of your fish.

At Swell UK, we don't mess around. We know you want to have your tank set up as soon as possible and we would hate to think we would cause any delay. That's why we offer Next Working Day Delivery options, and if you order before 3pm on weekdays we despatch your substrate the very day!