The best Aquarium Filters in Australia
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Last Updated: 12 Feb 2026
12 top rated Aquarium Filters for every need: Australia's top picks!
Aquarium filters are essential for maintaining a healthy and thriving aquatic environment, acting as the kidneys of your tank. They remove harmful waste products, excess food, and toxins like ammonia and nitrites, keeping the water crystal clear and safe for your fish and plants. A well-maintained filter promotes a balanced ecosystem, reduces the risk of disease, and contributes to the overall vibrancy and longevity of your aquarium – ensuring both the aesthetic appeal and the wellbeing of its inhabitants. Investing in a quality filter and understanding its function is a cornerstone of responsible aquarium keeping.
What to Look For
Filtration Type
Consider the type – mechanical (removes debris), chemical (absorbs impurities), and biological (establishes beneficial bacteria). A combination filter offering all three is generally best.
Flow Rate (GPH)
The Gallons Per Hour (GPH) rating should be appropriate for your tank’s size. Aim for a turnover rate of 4-6 times the tank volume per hour – for a 50-gallon tank, a filter with a GPH of 200-300 would be suitable.
Filter Media Capacity
Look for a filter with ample space for filter media like sponges, activated carbon, and biological media. This allows for effective filtration and extends the time between media changes.
Energy Efficiency
Choose a filter with a reasonable power consumption rating, as it will be running constantly. Energy-efficient models can save you money on electricity bills over time.
Noise Level
Consider the filter's noise output, especially if the aquarium is in a living area. Quieter models are available, often employing technology to minimize pump noise.
Ease of Maintenance
Opt for a filter that is easy to disassemble, clean, and maintain. Regular cleaning prevents clogs and ensures optimal performance.
#1
- 4-stage filtration (2 x mechanical, chemical, biological) for excellent water purity and quality
- CycleGuard preserves the biological balance of your aquarium through a separate media change that avoids disruption of the nitrogen cycle and is essential for maintaining clean and healthy water
- The patented back filter system extends contact time with the media for a cleaner, healthier and more biologically stable aquarium
- ABS filter housing, ABS filter cap with black aesthetic insert
$72.62 AUD
(616 reviews)
#2
- 4-stage filtration (2 x mechanical, chemical, biological) for excellent water purity and quality
- CycleGuard preserves the biological balance of your aquarium through a separate media change that avoids disruption of the nitrogen cycle and is essential for maintaining clean and healthy water
- The patented back filter system extends contact time with the media for a cleaner, healthier and more biologically stable aquarium
- ABS filter housing, ABS filter cap with black aesthetic insert
$61.94 AUD
(407 reviews)
#3
- Multi-function: Multiple functions such as filtration, oxygenation, wave making, water purification, rain shower, etc. It simulates natural water flow, accelerates the circulation of aquarium water, increases the oxygen content of the aquarium and purifies water quality.
- Multiple Filtration: The upper part uses K1 filter material and vulcanized bed filtration, which can be used for tumbling bacteria culture to accelerate the self-regeneration of bacterial colonies. The bottom uses physical filter cotton, which combines bottom suction and side suction to absorb fish feces from all directions and keep the aquarium clean and hygienic.
- Safe to Use: The filter adopts low pressure design, safe to use, quiet filtration, and does not affect work and rest. Button type opening and closing, easy to disassemble, and the power cord buckle design can fix and organize the power cord.
- Adjustable: The water flow can be adjusted during use through the top adjustment button and can be adjusted to the appropriate size according to usage needs. It is suitable for fish and aquatic organisms of different sizes.
$33.99 AUD
(198 reviews)
#4
- [Powerful Internal Filter] Australian Standard Plug, Max flow rate: 200L/H (53GPH),Dimensions: 12.5*3.5*2.7cm(4.9*1.4*1.1in), 3 watts filter suitable for 3-40L fish tank. A good choice to create a clean and beautiful environment for your aquatic life.
- [Multifunctional Fish Filter] The mini aquarium filter has two different outlets, a spray bar and an aeration outlet. The spray pipe can allow water to flow out like a waterfall, which has a good filtering effect and allows a small amount of oxygen to enter the fish tank. The oxygenation outlet can effectively oxygenate and adjust the amount of oxygenation.
- [Excellent Filtration] The internal filter has excellent filtration performance, it can absorb and get rid of grease and other dirt to clean water. This filter can adapt to biochemical and physical filtration, and it can also provide oxygen for your fish tank. 2pcs biochemical cotton are included for replacement.
- [Adjustable Water Flow] Slide the adjustment bar on the filter box to adjust the water flow, you can choose the suitable water flow as needed.
$21.97 AUD
(151 reviews)
#5
- 【Specifications】Powerful aquarium internal filter, Australia Standard Plug, Power: 8W, Max Water Flow: 600L/H, Size: 19*7.5*6.5cm, Length of Spray Bar: 16cm(6.2in), Length of Power Cable: 1.5M(4.9FT).Suitable for 30-180L fish and turtle tank.
- 【Two Types of Water Outlets】The fish tank internal filter has two types of outlets: Spray Bar and Duckbill Outlet, and both of which can be rotated 360°. There is an adjustable knob in the spray bar, which can adjust the water flow of the filter, and the adjustment range is 0-600L/H.
- 【Three Filter Media, Four Filter Procedures】This fish tank filter has three kinds of filter media: 1pc Activated Carbon Cotton, 2pcs Biochemical Cotton and some Ceramic Balls. After the water enters the filter, it goes through four filter procedures to be completely filtered, then sprays out from the outlet.
- 【Ultra Quiet Filter】For this new aquarium filter, we have improved the internal structure of the water pump to further enhance the sound insulation effect. Once the filter is placed in the water and the filter is turned on, you can hardly hear the sound of the motor, only the sound of the water spraying out. Noise Level<40dB.
$37.97 AUD
(92 reviews)
#6
- Product Type: Pet Supplies
- Package Quantity: 1
- Package Weight: 0.5 kg
- Country of Origin: China
$27.32 AUD
(58 reviews)
#7
- Multi-functional: This filter come with 3 kinds of water outlet, allowing you to choose and switch between increasing oxygenation and filtration, wave maker pump and water pump easily.
- Submersible pump function: Has IPX8 Waterproof Prevention and can be used as a submersible pump with diameter of 12/ 16mm outlet. Which is compatible with most hoses.
- Efficient and Effective filtration: You can simply increase the number of filter boxes and install either filter sponge or other bio media. which can effectively filter waste and improve the water quality of your aquarium/ tank.
- Easy maintenance: The detachable filter box is easy to assemble and clean.
$32.95 AUD
(57 reviews)
#8
- 【3-IN-1 Aquarium Power Filter】Filtration / Oxygenation / Circulation 3-in-1 multifunctional submersible fish tank filter, which meets all the needs of the fish tank. Power 30W, maximum flow 2000L/H. Features an air regulator to precisely adjust the amount of oxygen supply bubble. (Please Note: This regulator is designed to adjust the amount of air bubbles, not adjust the flow rate of water.)
- 【High Efficiency Filtration】Unique 3-layer filter cotton design, water enters from the bottom and passes through the entire filter chamber, which can effectively filter various impurities and absorb odors to achieve thorough cleaning, keeping the healthiest and clean living environment for aquatic pets and plants. Sponge fish tank filter is gentle enough to protect delicate fish fry and shrimp.
- 【DIY/Removable/Cleanable】Easy to disassemble - No tools necessary for disassembly and it's very easy to clean; Washable and reusable - transparent shell and the filter sponge is dirty at a glance; DIY - compatible with other filters material, that you can replace according to your needs, such as media balls/carbon stone/carbon cotton, etc.
- 【Mute/For 30-500L Tanks】This internal aquarium filter operates with high-strength permanent magnet rotor noise reduction system inside, and three silicone cushioning suction cups on the outside, which can greatly reduce noise <35db and firmly secure in-tank installation. Great for 30-500 Liter freshwater and saltwater tanks.
$27.64 AUD
(46 reviews)
#9
- Ideal filtration solution for the smaller aquarium
- Proven reliability and silent running
- Completely submersible sealed motor, economical to run
- Complete with suction cups for fixing to side of aquarium
$62.90 AUD
(46 reviews)
#10
- 【Excellent filtration performance】 Built-in U-V lamp, not only purifies the water but also makes the green water clear. This fish tank filter pump also has three kinds of filter media: 1 piece of activated carbon cotton, 2 pieces of biochemical cotton and some ceramic balls, which have good filtration effect.
- 【With U-V Timer】You don't need to turn the lamp on all the time. With this timer, you can choose to turn on the lamp for 6 hours, 9 hours, 12 hours or 24 hours according to your needs, which can make you more convenient. No matter when and where you are, this timing function will save you trouble.
- 【Silent Fish Tank Filter】 For this new aquarium filter, we have improved the internal structure of the pump to further improve the sound insulation. Once you put the filter in the water and turn it on, you can barely hear the motor, only the sound of the water spraying out. The noise level is <35dB.
- 【Unique Design】This fish tank internal filter has two types of outlets: Spray Bar and Duckbill Outlet, and both of which can be rotated 360°. There is an adjustable knob on the spray bar to adjust the water flow of the filter. In addition, this fish filter adds a Minimum Water Level design. And the four sturdy suction cups can securely install the filter in the fish tank without slipping off.
$49.97 AUD
(24 reviews)
#11
- Exceptional filtration in aquariums up to 35 US gallons (130 Litres)
- Bottom-to-top flow
- Self-priming pump
- Adjustable levelling device
$75.56 AUD
(21 reviews)
#12
- High-efficiency 1,600L/H water flow – Provides strong circulation while saving energy
- 3-in-1 Multi-Function – Filtration, water circulation, and aeration in one compact unit
- Additional aeration – Air tube included to boost oxygen levels in your aquarium
- Biochemical sponge filter – Enhances both mechanical and biological filtration performance
$27.00 AUD
(17 reviews)