Aquael Unipump 1500 Inline Pump
$209.95 incl. GST
Premium Bacta-Boost Liquid Beneficial Bacteria For Fighters | Aqua-Pics
Price range: $8.95 through $34.95 incl. GST
JBL PROAQUATEST Kit Refill – Calcium (Ca)
$36.95 incl. GST
A successful aquarium begins with the right foundation. Our range of tanks suits every level of fishkeeper — from compact beginner aquariums to large custom displays. Pair your setup with sturdy, purpose-built stands designed to safely support your tank. Whether shopping online or in-store, Melbourne fishkeepers and aquarists across Australia trust Nautilus for quality aquariums.
Healthy water quality starts with reliable filtration. We stock internal, hang-on, sponge, and canister filters to suit tanks of every size. With brands trusted by aquarists nationwide, our filters help maintain stable, clear water and reduce maintenance. Melbourne locals and online customers alike rely on Nautilus Aquariums for filtration systems that keep aquatic life thriving.
The right lighting and heating make all the difference. Our LED lights bring out the colours of your fish and support plant growth, while our heaters and thermostats provide stable temperatures for tropical species. Whether you’re creating a planted aquascape or keeping delicate fish, we offer solutions suited to aquariums across Australia.
Nutritious food keeps fish healthy and vibrant. Our range includes flakes, pellets, frozen food, and specialty diets for species such as goldfish, bettas, cichlids, and marine fish. With delivery available across Australia and a wide selection in our Melbourne store, Nautilus makes it easy to feed your fish with trusted, high-quality nutrition.
Live plants add beauty and balance to aquariums. At Nautilus, we provide fertilizers, substrates, CO₂ systems, and aquascaping tools to support healthy plant growth. From moss and ferns to colourful stem plants, our selection helps aquarists design unique underwater landscapes. Melbourne customers and hobbyists nationwide shop with us for aquascaping essentials.
Safe, balanced water is essential for aquatic life. We stock chlorine removers, beneficial bacteria, pH buffers, and medications to protect fish and plants. These treatments are trusted by aquarium owners across Australia to keep tanks healthy and stable. Whether shopping online or visiting us in Melbourne, you’ll find the right products to maintain water quality.
For decades, Nautilus has been a trusted name in aquariums. Customers value our expert advice, quality brands, and wide range of supplies. With the convenience of an online shop delivering across Australia and the support of a local Melbourne aquarium store, we make fishkeeping easier, healthier, and more enjoyable.
From aquariums and filters to lighting, food, plants, and water treatments, Nautilus Aquariums is your complete destination for aquarium supplies online in Australia. Browse our online store for nationwide delivery or visit us in-store in Melbourne for friendly service and expert support.