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Best Fish Tank 3 Gallon

Koller Products Replacement Filter Cartridges - Small

  • ...to Replace - No Need to Get Hands Wet..
  • OPTIMUM FILTRATION: For optimal filter performance replace cartridge monthly or sooner if heavily soiled and reduced filer flow..
  • KOLLER PRODUCTS & HAWKEYE AQUARIUMS: Replacement cartridge fits Koller Products and Hawkeye power filters for the following aquariums: AquaTunes 2.5-gallon Aquarium with Sleep Sound Machine (B00HH7UVYO), AquaTunes 3.5-gallon Aquarium with Sleep Sound Machine (B00HH7UW1Q), AquaView 3-gallon (B01M4LNYWS), 4.5-gallon Aquarium (B01JS39E60), 5-gallon Aquarium (B00KIRR8BY), 6-gallon 360 Aquarium (B007R5C6CG), 6.5-gallon Aquarium (B0182CAHWS), 7-gallon Aquarium (B01JS2NNJA), Smart Tank 5-gallon Aquarium, Smart Tank 6.5-gallon Aquarium (B086D9B85Q), and Smart Tank 7-gallon Aquarium (B0865LG56Z)..
  • DIMENSIONS: 2.25 L x .5 W x 5 H Inches. Product may ship in white SIOC packaging depending on demographic region..
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TARARIUM 4 in 1 Aquarium Internal Hang on Fish Tank Power Filter with Air Pump 158GPH Silent Multi-Stage Filtration Box Filter with Submersible Power Head for 10 to 50 Gallon Tank

  • ...e noise, creates a whisper-quiet world to give you a good sleep during whole night. NOTE: The pump should be submerged in water totally. The minimum water level of tank is preferably higher than 6.5 inches, otherwise there maybe no water through the box..
  • 【SUIT FOR 10-50 GALLON TANK】This top mounted box filter can be used in small and medium fish tanks like 15 Gallon, 20 Gallon, 30 Gallon, 40 Gallon, 50 Gallon fish tank. If you have a large tank, please buy 2 sets. It’s perfectly suitable for fish tanks and HIGH water level turtle tanks. For HIGH LIFT use, if there is no water through the box, please TURN DOWN/OFF the water adjusting valve..
  • 【1 YEAR WARRANTY】 【1 YEAR WARRANTY】 We provide 12 months warranty for our customers. Due to long distance transportation, if there is any questions or problems for our filter (filtro para pecera), please contact us first rather than return it directly. We will have a better solution..
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AQQA Aquarium Internal Filter, Submersible Power Filter in-Tank with Adjustable Water Flow, Ultra Silent Biochemical Sponge Filtration for Fish Tank Water Clean

  • ...motor and internal pump design helps dampen noise and eliminate leaks with self-priming feature, more quiet than external filter. It's multiple noise reduction designs offers you and your fish a quiet and comfortable night.
  • 【Fit】 Available in 79 GPH, 120 GPH, 172 GPH sizes. The 79 GPH aquarium filter is for 5-10 gallon fish tank, the 120 GPH is for 10-20 gallon fish tank, and the 172 GPH is for 15-30 gallon fish tank..
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AQQA Aquarium Internal Filter, Submersible Power Filter in-Tank with Adjustable Water Flow, Ultra Silent Biochemical Sponge Filtration for Fish Tank Water Clean

  • ...noise and eliminate leaks with self-priming feature, more quiet than external filter. It's multiple noise reduction designs offers you and your fish a quiet and comfortable night.
  • 【Fit】 Available in 79 GPH, 120 GPH, 172 GPH sizes. The 79 GPH aquarium filter is for 5-10 gallon fish tank, the 120 GPH is for 10-20 gallon fish tank, and the 172 GPH is for 15-30 gallon fish tank..
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DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon

  • PERFECT MINI HEATER FOR 1~1.5 GALLON TANK - For a Betta breeder with a 1 to 1.5 gallon small tank, it is very difficult to choose a suitable heater. Because most of the heaters on the market are too big for this small tank. This not only affects us to watch our beautiful Betta, but also reduces the activity space of the Betta. Now DaToo Mini Aquarium heater can help you solve this problem. Ultra-small and thin size, perfectly hidden in a 1~1.5 gallon tank, your Betta will be happy with it! !.
  • CONSTANT TEMPERATURE & NO NEED TO ADJUST - DaToo 10W MINI Aquarium Heater can automatically maintain a constant temperature between 75°F and 82°F (depending on the external environment), no need to set. This temperature range is ideal for most tropical fish and is very beneficial for the reproduction of betta and promotes their metabolism. With no extra work, just plug it in and the DaToo 10Watt Small Fish Tank Heater will help your fish stay healthy and comfortable. Great for kids!!.
  • 24V SAFE VOLTAGE & POWER OFF AFTER LEAVING WATER - The output voltage of the DaToo Betta Heater is only 24V, which not only ensures the safety of the fish, but also ensures the safety of the user. No need to worry about leakage, you can rest assured to use it for your children. The....
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MyLifeUNIT Aquarium Plants, 7 Pack Artificial Coral Ornament for Fish Tank Decorations (White)

  • Set of 7 pieces artificial coral ornaments.
  • White coral decor set makes the fish tank high-end and elegant.
  • Great for fish tank and aquarium decorations.
  • Made of premium plastic and ceramic materials.
  • Soft plastic fish tank plants won’t hurt the fish.
  • Ceramic base makes the aquatic plants stand upright in the water.
  • Fake aquarium plants won't contaminate water, color won't fade.
  • Great for saltwater, tropical and freshwater aquarium environments.
  • Ideal for 5 gallon, 10 gallon, 20 gallon or even larger fish tanks.
  • Simulate seaweed plants are easy to clean for a long time use.
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GDLF Fish Tank Stand Metal Aquarium Stand for up to 20 Gallon Long with Cabinet for Fish Tank Accessories Storage,28.7" L

  • Suitable for most 20 gallon fish tanks. Stand fits 20 gallon tanks up to with a measurement 28.7" long and up to 16.5" inches wide. It will fit most 20 gallon tanks but due to many different models on the market, please measure your tank to ensure a proper fit.   Desktop size is 28.7"*16.5"..
  • 2 in 1 Space-saving: Save valuable floor space with our 2-tier stand. A 20-gallon fish tank of any shape can be placed on the desktop, and the lower shelf can accommodate up to a 10-gallon fish tank..
  • Sturdy & Durable Construction: Stability critical for an aquarium stand. Most simple thin iron frames are unstable and dangerous. Pure particleboard is not waterproof and will not last long.We have taken both into consideration.Made with thick steel powder coated frames and P2 MDF board. This fish tank stand is sturdy, durable, and moisture-resistant. No need to worry about wobbling like with many other weak stands on the market..
  • Storage: This fish tank stand allows you to conveniently store your fish accessories: fish food, net,gravel cleaner,etc. All in a no clutter configuration, easy access, neat & well....
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Penn Plax 0.5 Gallon Spongebob Squarepants Betta Aquarium Kit, 7.75 in

  • PERFECT FOR BEGINNERS: the small size lends itself to small and few fish, which is perfect for the non-experienced aquarist..
  • PERFECT SMALL SIZE: great for small areas (like desks and counters) the .5 gallon tank measures 7.5’’ L x 3.5’’ W x 7.5’’H..
  • THE FEATURES YOU NEED: the kit contains a .5 gallon tank, a cover, colorful background, fun stickers, and a water release cap..
  • SPECIFICALLY FOR FRESHWATER: the tank is perfectly sized for a small fish, like a betta..
  • SPONGEBOB THEME: join SpongeBob and friends on their underwater adventure and learn all about what it takes to keep a fish..
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Wardley Fish Food and Accessories

  • Shell-shaped feeder automatically dispenses food while you’re away for the weekend.
  • Contains no artificial colors or dyes that can harm fish or cloud water.
  • One shell feeds 10-12 average sized fish in a 10-15 gallon aquarium.
  • Place the shell into your tank prior to leaving for the weekend. It will slowly dissolve, releasing small food particles.
  • Feeds a 10 gallon tank of freshwater tropical or goldfish for up to 3 days.
  • Slowly dissolving food stabilizes pH levels during feeding.
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DaToo Aquarium Power Filter in-Tank Ultra Silent Small Fish Tank Filter 3W for Aquarium 1 to 10 Gallon Tank, 1 Yr Warranty

  • ...ity, Sturdy, BPA-free plastic. Long-term use does not produce toxins, safe for you and your lovely fish. Super energy efficient design, only consume 2KWH of electricity per month.Select DaToo Aquarium Filter, not only cares for your fish health, but also saves your electricity bill..
  • FIT: Suitable aquarium tank is 1 Gallon~10 Gallon and will function in as little as 1.5 inches of water -- making DaToo Aquarium Filter not only suitable for fish tank but also for turtle tank and can creat a waterfall inside the tank.（Note: Please ensure that the water level exceeds the inlet）.
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GreenJoy Aquarium Theme Decorations Fish Tank thematicAccessories - Thematic Ornaments Décor with Plastic Plants and Fish House (Sea World Theme)

  • 【Dimension】the hollow tree trunk aquarium ornament measurement is 6.1*3.9*3.1inch, perfect for use in small and medium size fish tank (5-50gallon).
  • 【Soak and Clean before Use】Please soak for 10-15 minutes with water before applying. Put into the fish tank or aquarium to let the fish shuttle freely among them, add a natural breath to the fish tank..
  • 【 Hidden Cave】The tree trunks decorate as a home, and they give the fish tank a sense of their natural and living environment, adding more fun to their lives. There are holes on the trunk fish decor, your lovely pet beta or other smaller fish would be super happy to go in and out the trunk cave to sleep, rest, hide, play..
  • 【Stable Bottom】Put it in the water with a flat bottom. To make it easy and stable to stand in your fish tank..
  • 【Natural Resin】Aquarium cave decoration is made of resin and free of chemicals. It is safe for fish. Log is suitable for salt water and freshwater, fish, shrimp, gecko, frog, reptiles, amphibians..
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Bubblefin Aquarium Sump Refugium DIY Kit for Protein Skimmer Sump - Chamber dividers 20 Gallon Long

  • It comes with 3 pieces of acrylic dividers for standard 20 gallon fish tank with width 12.5 inch, either tall or long 20 gallon size..
  • It does not come with fish tank or silicon glue..
  • The dividers will give the chamber heigth for most of the skimmers..
  • The width of the acrylicy sheet is 11.8 inch / 300 mm..
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Fish Tank (The Criterion Collection) [Blu-ray]

  • Size Measures--This shipwreck decor size about 5.5*2.1*4.3’’(L*W*H), so it will fit easily in almost any home fish tank. Perfectly size for a 3 gallon to 20 gallon aquariums..
  • Made Of Safe And Durable Resin--This fish tank sunken ship is crafted with great attention to detail, safe for freshwater and saltwater aquariums, also it won't fade when the time goes long. The aquarium ornament shipwreck has a sturdy base, you don’t need to worry about it floating around once you place it underwater..
  • Decorate Your Aquarium--The realistic sunken shipwreck decorations painted with detail and colors, increase the natural scenery in your fish tank. Impress guests and give realistic feel and excitement, this fun aquarium decoration will add magic instantly to your tank!.
  • Easy To Maintain--Just use a soft brush to wash away dirt in clean water. It won't have any effect on the water quality, also won't rot. NOT need take a lot of time to maintain it..
  • Stable Packing--Each aquarium ship ornaments is carefully packed to ensure that it is complete without flawed and perfectly delivered to your....
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