It took days of going through more than a thousand customer reviews and conducting expert researches to narrow down the list. Weve included a comparison table below to give you a quick summary of our top 10 aquarium divider. Its followed by an in-depth review of each aquarium divider. Hopefully, once you are done reading this article, you will be well informed about aquarium divider and be able to select the right aquarium divider for you without any hesitations.

Best aquarium divider

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Best aquarium divider reviews

1. Vumdua 4Pcs Aquarium Divider Tray, Aquarium Fish Tank Bottom Isolation, Plastic Grid Divider Tray Egg Crate Louvre for Mixed Breeding (White)

Feature

HIGH QUALITY: These white grid divider are made of food-grade plastic material, safe, non-toxic and tasteless, environmental protection won't affect water quality.
ADVANTAGE: Use these divider holders can effectively separate fish and prevent them from biting each other. Increasing the survival rate of baby fish, isolating diseased fish and aggressive fish.
PRACTICAL AND DURABLE: You can easily divide your tank into several compartments with these divider holders. This plastic grid can cropped and free splice combination.
WIDE APPLICATION: Perfect for isolate fish, build platform, bottom filter, etc. Grid divider can be cut and spliced. The size of this grid is smaller than usual, and the survival rate of the baby fish is improved more.
PRODUCT DETAIL: Size(L*W): approx. 30 x 15cm / 11.81 x 5.91inch, grid: 1.6 x 1.6cm / 0.63 x 0.63inch. Package included: 4 x egg crate aquarium.

2. Fin Friends 29 or 55 Gallon Aqarium Divider with Suction Cups (29 or 55 Gallon) 12.5" X 18.75" Please Measure Your Tank Before Purchasing.

Feature

29 OR 55 gallon fish tank divider. Approx 12.5in x 18.75in. Please measure your tank before purchasing to make sure these dimensions will fit your tank. If your tank is wider than 12.5in or shorter than 18.75in then this divider will not fit.
Suction cups that attach divider on top and bottom of aquarium
Pins that hold mesh and side/top rails together
Seperates aggressive fish, breeding fish or fry
Seperates fish without extra filteration or heaters needed

3. toyuto Acrylic Divider 10 Gallon Fry Fish Tank Acrylic Divider Aquarium Isolation Board 9.8" x 11" (Suction Cup No Included) (10 Gallon, Clear)

Feature

perfect fit the US standard 10 Gallon tank size 9.8" x 11"


Easy maintenance, easy to clean, soft cloth scrub

perfect light transmission, up to 92%


---Please Remove the White Plastic Paper on the surface.---

Divider need suction(Not Included) to hold it/b>

4. ONly Board ( No clips) DIY Designed Clear fish tank divider

Feature

Product size 11.8`` * 11.8`` (30CM*30CM), suitable for most standard or non-standard American fish tanks
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 environmentally friendly 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.
NOTE :The Suction cups are not included (White film need to bed removed before use)

5. 4 Pcs Aquarium Divider Tray Plastic Grid Aquarium Egg Crate Light Diffuser, Fish Tank Divider Filter Bottom Isolation with 8 Pcs Sucker Clip(Black)

Feature

Fish tank divider is made of food-grade plastic material, avirulent and tasteless, environmental protection won't affect water quality.
Using grid divider can effectively separate fish and prevent them from biting each other. Increasing the survival rate of baby fish, isolating diseased fish and aggressive fish.
Size: 11.8x5.9x0.3inch; You can easily divide your fish tank into several compartments with these divider holders for breeding or separation.
This plastic grid can cropped and free splice combination, and the sucker clip can be fixed anywhere in the aquarium.
Package includes 4 pcs black grid dividers and 8 pcs sucker clip, easily to fix and move.

6. Ewook Aquarium Fish Tank Divider Isolation Bord for Mixed Breeding Made by PET

Feature

Safe Matriral: Made By High Quality PET Material,None Toxi Release in Water.Same Material As Bottle Water.
Creative Parts: Offer 8 sets adjustable Isolation Plate Suction Cups,Easily to Fix and Move.
Product size 11.8`` * 11.8`` (30CM*30CM), suitable for most standard or non-standard American fish tanks
Transparent partition design (with white protective film to be removed before use), can be bent, cut, assembled
It is transparent design and high-grade environmentally friendly materials to provide adequate protection for your fish safety.

7. ONE Set of DIY Designed Clear Easy to Bent Cut and Assemble for Most Fish Tanks (Suction Cups are Included) (10 Gallon)

Feature

Product size 11.8`` * 11.8`` (30CM*30CM), suitable for most standard or non-standard American fish tanks
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 environmentally friendly 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.

8. Vumdua 1Pcs Aquarium Isolation Plate, Aquarium Fish Tank Divider Isolation Board with 8 Sets Adjustable Isolation Plate Suction Cups for Mixed Breeding (White)

Feature

HIGH QUALITY: The Aquarium Fish Tank Divider Isolation Board are made of high quality PET material, safe, non-toxic and durable for use.
ADVANTAGE: Use these divider board can effectively separate fish and prevent them from biting each other. Increasing the survival rate of baby fish, isolating diseased fish and aggressive fish.
FLEXIBILITY: Can be cut in any dimensions, suitable for most standard or non-standard American fish tanks. Transparent partition design (with white protective film to be removed before use).
PRACTICAL PARTS: We offer 8 sets adjustable isolation plate suction cups, easy to fix and move. Perfect for isolate fish, bottom filter, etc.
PACKAGE INCLUDED: 1Pcs 11.8 x 11.8 inch Aquarium Isolation Plate and 8 sets adjustable isolation plate suction cups.

9. Pomeat 4 Pcs Aquarium Divider Tray, Egg Crate Grid Divider Tray Fish Tank Divider Filter Bottom Isolation with 8 Pcs Sucker Clip for Mixed Breeding (Black)

Feature

HIGH QUALITY : These aquarium divider are made of high quality food-grade plastic material, non-toxic and tasteless, environmental protection won't affect water quality.
ADVANTANGES: Use these divider holders can effectively separate fish and prevent them from biting each other. Increasing the survival rate of baby fish, isolating diseased fish and aggressive fish.
DURABLE & PRACTICAL: You can easily divide your tank into several compartments with these divider holders. This plastic grid can cropped and free splice combination.
WIDE APPLICATION: Perfect for isolate fish, build platform, bottom filter, etc. Grid divider can be cut and spliced. The size of this grid is smaller than usual, and the survival rate of the baby fish is improved more.
PRODUCT DETAIL: Black grid dividers size(L*W): approx. 30 x 15cm / 11.81 x 5.91inch, grid: 1.3 x 1.3 cm / 0.51 x 0.51inch. Package included: 4 x egg crate aquarium and 8 pcs sucker clips.

10. Gelible Aquarium Fish Tank Acrylic Divider Isolation Board for Mixed Breeding (Suction Cups are Included);

Feature

Dimensions: 11.8'* 11.8'* 0.12 inches (30cm * 30cm * 3mm) suitable for most American fish tanks, packaging includes suction cups;
Good material: made of high-quality acrylic material, providing a good space for the fish;
Good hole arrangement: we provide appropriate hole structure and size (hole diameter: 5mm), the bottom defecation hole is 3mm;
Good environment: we use transparent design and advanced environmental protection materials to provide sufficient protection for your fish safety;
Note: We have covered the product with a white protective film, please remove it before use, and please pay attention to whether the size of your fish tank matches the size of the partition;

Conclusion

By our suggestions above, we hope that you can found the best aquarium divider for you. Please don't forget to share your experience by comment in this post. Thank you!
Jaime Gordon