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Top 10June 2025

Best 5 Gallon Fish Tank Divider

We made a list of the top 10 5 Gallon Fish Tank Divider based on verified reviews, popularity and other factors which we summarized for you in this list.

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4 Pieces Plastic Mesh Sheets for Embroidery Black Fish Tank Divider Screen Craft Mesh 10 Pieces Binding Bars Sliding Bars for Embroidery Crafting Knit and Crochet Projects

4 Pieces Plastic Mesh Sheets for Embroidery Black Fish Tank Divider Screen Craft Mesh 10 Pieces Binding Bars Sliding Bars for Embroidery Crafting Knit and Crochet Projects

✓Appropriate size: the decorative plastic sheet is approx. 33.5 x 26 x 0.15 cm/ 13.19 x 10.24 x 0.06 inches in size, and the sliding bar is approx. 31 x 0.8 x 1 cm/ 12.2 x 0.32 x 0.39 inches; The right size can provide a large convenience when you use them; Besides, the sliding bar is light in weight, so you can pick it up easily
✓Suit combination: the fish tank divider screen mesh and sliding bars are a nice combination, which is very convenient for you to use; You don't need to buy additional tools to use them, the combination of packages can meet your actual needs, bringing you a nice and satisfactory use experience
✓Easy to use: the plastic mesh has a simple operation; First, you need to tailor the plastic mesh into the right size and shape, then put it in the right place, fixing it with a black sliding bar, you can get a nice decoration in this way; Simple methods can help you install quickly and save a lot of time
✓Sufficient quantity: you will receive 4 pieces of black plastic meshes and 10 pieces of binding bars in one package in total, they come in black color, which is not easy to go out of date; At the same time, enough quantity for your daily use, you can also share them with your friends and family
✓Lasting material: the screen meshes are made of plastic, which is hard and strong, sturdy and smooth, quality and reliable, it will not deform and break easily, so you can use it with confidence; In the meantime, the plastic has a long service life, so you can use it for a long time

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Acrylic Aquarium Divider Kit 5.5/10 / 20L / 20H / 29 / 40B / 55/75 / 125gal Fish Tank with Suction Cups (20gal Long Aqueon)

Acrylic Aquarium Divider Kit 5.5/10 / 20L / 20H / 29 / 40B / 55/75 / 125gal Fish Tank with Suction Cups (20gal Long Aqueon)

✓Aquarium Divider

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Acrylic Fish Tank Divider,5 Gallon Tank Divider,Adjustment Clear Fish Tank Separator Set with Suction Cups (5gal/5.5gallon)

Acrylic Fish Tank Divider,5 Gallon Tank Divider,Adjustment Clear Fish Tank Separator Set with Suction Cups (5gal/5.5gallon)

✓Adjustable Size: Designed for 5-gallon/5.5-gallon fish tanks, this fish divider features an adjustable width of 7.3'' to 8.3'' and a height of 9'', ensuring a perfect fit.
✓Premium Material: Crafted from durable, odorless acrylic, this partition is clear and transparent which looking great, and will stay clear for a long time after use
✓Easy Installation: Simply peel off the protective film from the acrylic surface, attach the two side brackets to the tank with suction cups, and insert the divider. It’s quick to install, easy to remove, and hassle-free to clean.
✓Thoughtful Design: The gap between the bracket and the tank is tiny, ensures your fish stay securely on their side. With 4mm-diameter holes and a 4mm bottom slit, the divider promotes water flow and helps fish waste circulate away.
✓Secure Packaging: Each isolation board comes with protective film on both sides to prevent scratches during transit. Suction cups are individually packed.If you receive the goods are missing or damaged, please contact us!

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5 Gallon Betta Fish Tank with Divider, Small Aquarium, Fits 2 Bettas, 2.5 Gallon *2 Rooms.(Divider not Removable)

5 Gallon Betta Fish Tank with Divider, Small Aquarium, Fits 2 Bettas, 2.5 Gallon *2 Rooms.(Divider not Removable)

✓PERFECT BETTA FISH TANK: Betta fish are extremely aggressive in their territories, so male fighting fish need to be kept separate to avoid killing each other. If you have two bettas, this is an ideal place to live.
✓UNIQUE DESIGN: We use 5MM thick black panels for isolation, solid and beautiful, so you can safely separate two bettas and let the owner enjoy each fish.
✓LARGE SIZE: 2.5 Gallon * 2 rooms, plenty of room to stretch out and move around, can accommodate up to 2 bettas or isolate weaker fish, also suitable for small fish breeding.
✓EASY TO CLEAN SMALL FISH TANK: Spacious environment for easy decoration and daily maintenance. There is enough space for a heater, pump or bubbler.
✓Professional service: If you have any problems in keeping fish, please feel free to write to us, our professional team may be able to give you some advice. If you encounter product problems, you can also leave us a message through the station, we will reply to you in time.

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12% Discount

8Pcs Plastic Mesh Canvas Sheets Embroidery Aquarium Fish Tank Divider Plastic Grid Isolation Board Partition Net Pane Separator Filter Bottom Tray,20 Pcs Binding Bars Sliding Bars ,Crochet Projects

8Pcs Plastic Mesh Canvas Sheets Embroidery Aquarium Fish Tank Divider Plastic Grid Isolation Board Partition Net Pane Separator Filter Bottom Tray,20 Pcs Binding Bars Sliding Bars ,Crochet Projects

✓【What you get】8Pcs Fish Tank Filter Bottom Isolate Grid Black(13.19*10.23") and 20 pcs Binding Bars Sliding Bars.You can easily divide your fish tank into several compartments with these divider holders for breeding or separation.
✓【Safty Material】Aquarium Fish Tank Filter Bottom Isolation make by safe and environmental protection plastic,won't produce safe effect to aquatic animals box water quality.
✓【Easy to Use】Each Fish Tank Divider can be snapped together to make a large panel,the plastic mesh has a simple operation; First, you need to tailor the plastic mesh into the right size and shape, then put it in the right place, fixing it with a black sliding bar, you can get a nice decoration in this way; Simple methods can help you install quickly and save a lot of time
✓【Great Design】The grid divider can effectively separate fish and prevent them from biting each other.Separations of different fish for breeding.Increasing the survival rate of baby fish,isolating diseased fish and aggressive fish.
✓【Widely Applicable】 It is a good fish tank divider and can also Suitable for various DIY craft projects,great for jewelry organizer boxes,tissue boxes, bags,bookmarks,3D models

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PENN-PLAX Fish Tank Divider – Clear, Perforated Polymer Screen – 11 3/8” x 9 5/8” – Medium – Great for 10 Gallon Aquariums

PENN-PLAX Fish Tank Divider – Clear, Perforated Polymer Screen – 11 3/8” x 9 5/8” – Medium – Great for 10 Gallon Aquariums

✓MEDIUM FOR 10 GALLON TANKS: With our convenient Tank Dividers, there’s no need to worry about getting a second tank to separate fry from parent fish, or to separate certain territorial or aggressive fish from the others! The medium size is perfect for 10 gallon aquariums, and measures 11 3/8” x 9 5/8”.
✓CUT TO SIZE: In addition to being safe for both freshwater and saltwater tanks, the polymer screen can be trimmed to size. This will allow you to use the Tank Divider in smaller or non-standard sized aquariums. No other modifications needed.
✓CLEAR, PERFORATED SCREEN: Our Tank Dividers come standard with a clear, perforated screen that’s put into place by two side clips. The screen is designed to not restrict water circulation, filtration, or heating. It’s easy to install, and clean as needed!
✓HELPFUL ADVICE: For best placement and function, we suggest that the bottom is covered with sand, gravel, or your substrate of choice. This will better secure the divider into place, and ensure no little ones accidentally swim underneath or around the bottom corners.
✓SHOP PENN-PLAX FOR ALL YOUR PET’S NEEDS: PENN-PLAX is a manufacturer and distributor of top quality pet supplies, who specialize in creating excellent pet products for animals, both great and small.

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Acrylic Aquarium Fish Tank Divider Clear Kit Fit for All Type Aquarium Divider with Suction Cups (Kit A -1 PC 9.8"x11.8")

Acrylic Aquarium Fish Tank Divider Clear Kit Fit for All Type Aquarium Divider with Suction Cups (Kit A -1 PC 9.8"x11.8")

✓Compatible with Almost Any Shape of 10-950 Gallon Fish Tank with Suction Cups:Measure the inner width of the 2 points in your tank where you would like to divide the tank and the inside water level height, then choose the model and quantity of the divider kit fit for your tank . Our aquarium dividers are compatible with almost all types and all sizes of fish tank.
✓Non-decomposable,Easy to Clean and Works Long Time:Not like the mesh divider- a year some of them start disintegrating,falling apart and leaving holes,this fish tank divider is made with brocken-proof and firm & clear material which is durable and always keeps in a brand-new condition withouth too much maintainance.
✓Smaller Gaps on Either Sides Due to Small Screwable & Water Circulation Holes all over the Divider:The divider holes are very small which are only 4.2mm diamter, it allows water circulation,straws fixing and stop most of fishes from swimming through.Holes all around the divider pieces and make the widths and height of the assembling divider finely adjustable to achieve small gap between the tank sides.
✓Hyperelastic Material Creates Curvilinear Barrier without Suction Cups:The divider can be bent to form a unique curve barrier which will be stucked by fish tank sides instead of being fixed by suction cups . Kindly be reminded to screw & bend the divider pieces at the direction without some divider piece ends sticking up while bending, and never bend too much to avoid huge rebound.
✓No Tools，No Techniques Needed & Easy Screws-tightening Assemly is a Must:You need to connect divider pieces yourself by tightening the secrews, it is easy and bare-handed job.Alwayse leave a very narrow gap between the divider and the wall of your tank if you don't want the small fish fry swimming through the gap.You can even tilt a little point of the divider to fix the tank wall when the connected divider is a little wider than the inner width of the tank.
✓Size:9.8''*11.8''. Please Measure the Size of the Fish Tank before Purchasing.

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ONE Set Clear Fish Tank Divider Board (Include Suction Cups) DIY Designed Easy to Cut and Assemble for 5 Gallon or 10 Gallon Tank 11.8inch*11.8 inch (White Protective Film)

ONE Set Clear Fish Tank Divider Board (Include Suction Cups) DIY Designed Easy to Cut and Assemble for 5 Gallon or 10 Gallon Tank 11.8inch*11.8 inch (White Protective Film)

✓Including :(1 SET BOARD+ SUCTION CUPS) Product size 11.8`` * 11.8`` (30CM*30CM)
✓Transparent partition design (with white protective film to be removed before use), can be bent, cut, assembled
✓After installation, you can easily separate the fish tank into the size you need, and we consider that it does not affect the aesthetics of your fish tank. We use transparent design and high-grade materials to provide adequate protection for your fish safety.
✓We have a variety of sizes to choose from, and won't be affected because your tank size is not non-standard.
✓Advantage: Increasing The Survival Rate of Baby Fish,Isolating Diseased Fish And Aggressive Fish.

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2PCS Fish Tank Divider Aquarium Dividers Fish Clear Plastic Tank Separator with Suction Cups DIY Designed Adjustable Isolation Board Reusable Partition Grid for Separating Fishes 13 x 10 Inch

2PCS Fish Tank Divider Aquarium Dividers Fish Clear Plastic Tank Separator with Suction Cups DIY Designed Adjustable Isolation Board Reusable Partition Grid for Separating Fishes 13 x 10 Inch

✓Premium Quality: Our fish tank dividers are crafted from high-quality plastic, ensuring they won't pollute the water. The transparent color of the divider provides a clear view for your fish, allowing them to enjoy their surroundings to the fullest
✓Easy Installation: Each aquarium isolation plate comes with suction cups, making installation and removal a breeze. Once securely attached, the dividers stay in place without any movement, providing a stable and safe environment for your fish
✓Versatile and Durable Design: Our fish tank dividers are durable and suitable for any water quality. It's safe to use and effectively keep different types of fish apart, preventing any unwanted interactions
✓Cuttable: The aquarium dividers can be cut to your desired shape and size to accommodate various fish tank sizes. With 2 plastic dividers and 12 suction cups included in package, you have the flexibility to create separate spaces within your aquarium
✓Precise Sizes and Grid: Measuring 13 x 10.2 inches, our fish tank divider is perfect for most aquariums. The square grid on the partition has a side length of 0.08 inch, ensuring optimal water flow while keeping your fish safely separated

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2 Pack Fish Tank Divider with Suction Cup, Aquarium Divider Plastic Cuttable Grid Plate for Juvenile Fish Separator DIY Designed Clear Easy to Bent Cut and Assemble, 10x13in

2 Pack Fish Tank Divider with Suction Cup, Aquarium Divider Plastic Cuttable Grid Plate for Juvenile Fish Separator DIY Designed Clear Easy to Bent Cut and Assemble, 10x13in

✓🐠 The package includes 2 plastic mesh dividers and 12 suction cups for easy fixation and movement. There are enough suction cups for the separator to firmly hold the fish tank without falling.
✓🐠 Size: 10 * 13 inches/26 * 33 cm. Don't worry about whether it matches your aquarium. You can easily cut it to the size you want with scissors to fit your aquarium.
✓🐠 If you feel that the gap between the suction cup and the fish tank is too large and the fish can still pass through after installation, you can use scissors to cut two spaces before installing the suction cup.
✓🐠 Compared with other aquarium diaphragms, the hole of our diaphragms is very small, and the smallest fish cannot swim through, which improves the survival rate of young fish for breeding or separation.
✓🐠 You can easily divide the aquarium into multiple compartments using the divider. Effectively separate different fish and prevent them from influencing each other.The plastic grille can be cut and bent at will, and the suction cup can be fixed anywhere in the aquarium.

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