Best Aquarium Accessories 2025

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Last Updated - 09/06/2025

Best Choice

01

WASSERHELD

WASSERHELD - Gravel Vacuum Cleaner Aquarium with 3 Attachments - Aquarium Water Change [3M Hose] - Aquarium Cleaning Set & Aquarium Suction for Gravel and Sand with Hose Valve - Aquarium Accessories

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9.9

Exceptional

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2-in-1 multi-function – the aquarium gravel vacuum cleaner impresses with its innovative versatility. With the aquarium cleaner, you can not only easily change the water, but also ideally clean the substrate
With the attachments – in addition to the attachment for water change, our aquarium accessories also include a gravel bell, as well as an aquarium windscreen cleaner. The 3 metre long aquarium hose makes water change particularly easy
Our promise: We want to make the decision as easy as possible: If you are not satisfied with the purchase of our aquarium floor cleaner, you can return it at any time. The whole thing even up to 3 years after purchase!
Includes instructions (English language not guaranteed) – you will receive a comprehensive guide to aquarium care with illustrated instructions and ideal explanations. In addition, thanks to the hose valve and return valve, cleaning your aquarium is child's play
Easy and safe: simply press the hand pump a few times and the water starts to flow. In addition, the aquarium cleaning is particularly safe for small fish and invertebrates thanks to the grid attachment

24,99 €
02

boxtech

Boxtech Aquarium Cleaning Tools, Fish Tank Cleaner Set 6 in 1 with Algae Scraper, Glass Sponge, Gravel Brush, Pipe Brush, Net Cleaning Tool for Aquarium

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9.6

Exceptional

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Main highlights

Special note: mount the handle and accessory holder on the rod, tighten the connection for the desired length to catch fish, gravel, sand and algae or brush the glass lightly and keep the tool dry after use to avoid oxidation of the waste water.
Fixing Design The connecting design between stem and head is equipped with spring lock, the attachments sit firmly on the rod and can be quickly opened for easy installation and removal safely.
EFFICIENT & MULTIFUNCTIONAL & PRACTICAL Designed for cleaning all kinds of algae, dust and stains in the aquarium, allows aquarium to be cleaned from multiple angles, the right angle brush can be rotated 180 degrees to clean the dirt in each corner, stainless steel scraper attachment for cleaning hard objects, pipe brush for cleaning pipes, gravel rake for raking and cleaning gravel, flat sponge for substrate and glass cleaning cleaning
Adjustable Handle: stretches freely, tightly and does not fall off. It can be extended from 50 - 97 cm, which is long enough to clean up to 80 cm deep tank. It can clean all kinds of tank dirt for you without wetting your hands.
6 IN 1 ACCESSORIES OVERVIEW: 6 in 1 Aquarium Cleaning Kit, Includes Gravel Rake, Algae Scraper, Glass Sponge Brush, Dirt Net, Right Angle Brush, Pipe Cleaner. The fiber material is strong and durable, safe for aquarium and fish, rust-proof, durable without bending or breaking.

22,99 €
03

Tetra

Tetra Test 6-in-1 Water Test for Aquarium, Quick and Easy Check of Water Quality, 1 Can (25 Test Strips), Single

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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pH - The pH value provides information about the acidity or base content of the water important for the health of the fish. A pH value between 6.5 and 8.5 is ideal
Quick and easy checking of water quality. With the Tetra Test 6-in-1, you can check in seconds whether the aquarium water is in optimal condition
Pull the test strips through the water a few times, shake off excess water, compare the chlorine test section with the reference scale and after 60 seconds. compare the remaining test sections
KH - The carbonate hardness ensures a constant pH value. Usually a hardness between 3° and 10° dH is recommended
Determines pH, carbonate and total hardness (KH+GH), nitrite (NO2), nitrate (NO3) and chlorine (Cl2) content

9,79 €
Value for Money

04

Tetra

Tetra AquaSafe (Quality Water Conditioner for Fish-Friendly and Near-Natural Aquarium Water, Neutralises Harmful Substances in Tap Water), Various Sizes, Single, 500 ml, 500 ml

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47% Off
9.2

Excellent

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Main highlights

The vital substances contained in iodine and magnesium promote the health, growth and well-being of the fish. The care formula protects mucous membrane and gills with a natural algae extract
The aquarium water conditioner makes tap water suitable for fish and reliably protects fish and plants from harmful substances contained in the water
Tetra AquaSafe neutralises these substances and makes them harmless to fish. It ensures clear water in the aquarium as it promotes the growth of beneficial bacteria. It is quickly dissolvable, acts quickly with long-term effect
Tap water contains heavy metals and chlorine compounds, which can be harmful to fish if concentrated too high. For all freshwater and saltwater aquariums (turn off the protein skimmer)
An optimised vitamin B mix reduces fish stress during aquarium construction, water change and fish transport and thus supports long-term health

6,99 € 13,39 €(47% Off off)
05

JBL

JBL Replacement Cleaning Magnet for Thickness Aquarium Panes, JBL L Algae Magnet, s

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9.0

Excellent

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Use: merge magnets from the outside and inside at the top of the aquarium. Cleaning the windscreen from the outside in circular motions
Strong magnets for good adhesion and quick cleaning
Comfortable handling: sturdy handle with recessed grip
Cleaning the aquarium screen without wet hands: magnetic windscreen cleaner for algae removal for windows with 6 mm thickness
Box contents: 1 x JBL windscreen cleaning magnet, algae magnet S, 61291

6,89 €
06

Dacitiery

Dacitiery Pack of 2 Aquarium Decoration Floating Fish Play Companion for Aquariums Cute Little Diver Aquarium Decoration Interesting Aquarium Accessories Fish Tank Ornaments Aquariums Landscape

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14% Off
8.8

Very Good

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Package content: you will receive 2 pieces diver aquarium decoration with 2 pieces floating balls and 2 pieces fishing lines for connecting. Each aquarium diver measures approximately 7 x 3 x 4 cm
Materials: Made of resin material. No colour loss or discolouration after prolonged stay in the water. Easy to clean: dirt can be washed off with a soft brush and water
Easy to use: 1. Take the diver aquarium and the floating ball with fishing line; 2. Adjust the fishing line to a suitable length; 3. Rinse out the dust on the surface of the product with clean water; 4. Put it in the water
Aquarium Decoration:Suitable for all kinds of aquarium landscape, whether natural wind or collocation with interesting animation figures. The diver floats with the water, it can help you observe the water flow direction of the aquarium. Best decorations for small or large aquariums
ADJUSTABLE POSITION The diving position of the diver can be adjusted according to the length of the fishing line. The floating ball can be opened. If you feel that the diver is swimming too fast, you can add water accordingly

5,99 € 6,99 €(14% Off off)
07

RUIZHI

Aquarium Thermometer, Mini Aquarium Thermometer Digital, LED Display, High Precision Temperature Sensor, Suitable for Freshwater Marine Aquariums

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide application: this aquarium thermometer is an ideal tool for monitoring the temperature of your aquarium. The aquarium thermometer can be used for temperature measurement in reptile breeding tanks, etc. It is also suitable for monitoring the temperature of different types of water such as fresh water, tap water, salt water, sea water, etc., to provide the most comfortable water temperature environment for your beloved pets.
Long battery life: the water thermometer is powered by a 3V low-power lithium manganese, auto-sleep design makes the battery durable and durable, lasts up to 5 years. The thermometer is compact and stylish, the body is as thin as 1 cm, easy to use. Note: This product is a one-piece thermometer outside the tank, cannot be put into the water, the battery is not removable. If you have any questions, please contact us.
High-resolution LED display: the aquarium thermometer has a large LED display with high brightness and easy readability. Touch the control switch, after displaying the accurate data, the aquarium thermometer will go to sleep after 5 seconds, and can be easily woken up by touching the power button, which is more environmentally friendly and energy-saving.
High precision temperature sensor: aquarium thermometer with built-in nickel-plated copper temperature sensor, accurate and sensitive, our aquarium temperature range is 0℃~60℃, accuracy is 0.1℃, error ±0.5℃, update rate every 5 seconds, can detect temperature changes faster, provide real-time temperature monitoring.
Easy to use: the digital thermometer for fish tanks is easy and convenient to use. The back of the aquarium thermometer is 3M waterproof PVC adhesive, tear off the tape and stick the thermometer on the outside of the aquarium under the water level. No probes, no messy wires in the water, providing a clean and safe environment for fish.

6,99 €
08

CHJIEJIE

CHJIEJIE 2pcs Aquarium Rock Cave Decoration with Green Grass for Fish Shrimp Hide Aquarium Decoration Resin Aquarium Accessories, Aquarium Resin Cave Mountain View, 11 x 9 x 11 cm, 10 x 5.5 x 10 cm

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14% Off
8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

With frayed colours and holes, this vibrant rock garden cave is so lifelike that it looks like a real hidden cave in your aquarium. Provides the feeling of a natural environment.
Turn your aquarium into a beautiful landscape! It provides your fish with a fun place to swim, hide, sleep and play pirates.
Perfect for aquarium and aquarium decorations, can be used in the aquarium for a long time. An ideal decoration for aquarium and aquarium. Make your aquarium come alive and add natural colors.
Made of resin, non-toxic, no rot or algae problems, pollution free shipwreck ornament is safe for fish and water quality. Make your fish known with the exciting shipwreck decoration.
Can be a gift for lovers, family members or friends who have an aquarium, especially for those who also like crafts and decorate at home. Transform your aquarium into a beautiful landscape.

7,48 € 8,70 €(14% Off off)
09

boxtech

Boxtech Aquarium Gravel Cleaner for Aquarium Water Change and Filter Sand Cleaning Fish Tank Cleaner

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12% Off
8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Aquarium cleaner, the pump is easy to grip, just press the pump a few times, the water starts automatically. High quality PVC pipe will not fold to block water flow, simply bend into any position and fit for your use. (Please note: The position of the water outlet must be lower than the inlet.)
Aquarium cleaner, the gravel cleaner for aquarium can be divided into different parts and you can adjust it according to your needs. It can also be attached to the aquarium to free your hands, ideal for daily maintenance and regular water changes.
Aquarium Filter Anti-Back Valve Design - Advanced anti-slip tube for more effective drainage. Please note: Place the QV letter end down against the bucket as the pump is uni-directional.
Aquarium Cleaner Compressed Structure - Equipped with 1 softwater pipe (183 cm) and 2 hard water pipes (28 cm x 2). The hole of the gravel cleaner is closely connected without worrying about the problem of water spillage.
Aquarium Cleaner 2-in-1 Multifunctional Cleaner Cleaning Kit - Gravel Cleaner is perfect for water change and sand washing. Aquarium pump the nozzle net prevents the absorption of juvenile fish, grass and gravel.

21,99 € 24,99 €(12% Off off)
10

AIMEKE

AIMEKE® Set of 4 Water Plant Pots Aquarium Decoration Crystal Glass Cup Plant Holder Cup Pot Plant for Aquarium Plants, with 8 × Suction Cups

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8.2

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Strong adsorption: thanks to the double suction cup construction, the aquarium glass flower pot can be hung firmly on the aquarium. You don't have to worry about it falling off the aquarium wall
Smooth surface design: our planter with suction cup has a smooth and rounded surface that will not hurt your hands. The fish floats freely, so you don't have to worry
High-quality material: made of high-quality glass, durable, crystal clear and inserted into the aquarium for a better landscape effect, an excellent aquarium accessory
EXQUISITE DECORATION: you can plant aquatic plants or put decorations in the pots, transparency absorbs light more easily and plants can fully perform photosynthesis to add a natural atmosphere to your aquarium
Aqua accessories: offer your fish an ideal bathing and hiding place and increase people's visual pleasure. Is the ideal tool to make the aquarium beautiful and natural

14,98 €