Editor's Choice - Our Favorite Sirozi Aquarium Décor Tank Dividers

1. Sirozi 4 Pcs Aquarium Divider Tray, Fish Tank Divider Filter Plastic Grid Aquarium Egg Crate Diffuse...

User Ratings: 31 19

Sirozi First Impressions

"Worked like a charm!"

You will need fingernails to peel them. Don't think so, unless it’s not in water. I turn a 10-gallon tank into three, 3. They can see each other but they can't fight. I cut it to size using a paper cutter because it was easier than scissors. You will need fingernails to peel them. I created an inexpensive portable indoor potty for my little dog.

  • Sirozi 4 Pcs Aquarium Divider Tray, Fish Tank Divider Filter Plastic Grid Aquarium Egg Crate Diffuser with 6 Pieces Sucker Clips for Mixed Breeding, Fish Tank Bottom Isolation(White)
  • Value set: The package contains 4 white aquarium partition grid plates, and comes with 6 suction cup clips,The suction cup holder can be used to fix the isolation grid at any position in the fish tank
  • Size: The size of the aquarium isolation grid board is 11.8 X 6 inches, and the size of each grid hole is 0.39 inches, which is enough to ensure that your fish will not pass through or get stuck(Not suitable for fish smaller than mesh holes)
  • Safety material: The isolation board is made of high-quality PVC plastic, environmentally friendly and tasteless, will not affect the water quality of the aquarium, suitable for salt water and fresh water tanks
  • Flexibility: The product can be cut and spliced freely, and the size can be adjusted according to the size of your aquarium, suitable for many small fish tanks
  • Multi-function: These separation grids can effectively separate fish flesh, avoid fish from biting each other, fish separate and breed, convenient for cleaning manure, turtle ramp, or other DIY projects
  • Manufacture: Sirozi
  • Editor's Impressions Of The Sirozi
  • Quality
  • Value For Money
  • Affordability

Sirozi Final Thoughts

"And transparent."

It comes in clear so I had to rough up both sides to make it opaque. It is a bit tricky to straighten it and clip it, but with a bit of a push, it's fine. For platty fry I reccomend the Petzilla Aquarium Fish Breeder box. Small, skinny betta can go through those. I cut it to size using a paper cutter because it was easier than scissors. And I've been in the hobby a long time! I've bought several of these to divide my betta's and they've been great!

Overall Score
3.1


(6 Points)

2. Ioffersuper Aquarium Isolation Board Fish Tank Divider with Supporty Feet

User Ratings: 56 5

Ioffersuper First Impressions

"Also looks well."

That was another battle trying to get those on. So I dont need the suction cups even though I'm glad I have them. The flow holes allowed for ample current and water circulation. Let's water flow freely through our entire tank. The female is on the larger side with her babies. It is difficult to move the side bars to move out to close the gaps. It worked well in my very small 12 gallon show tank.

  • Ioffersuper Aquarium Isolation Board Fish Tank Divider with Supporty Feet
  • Safe material:Made of food-grade plastic material,environmental protection won't affect water quality.
  • Flexibility: This item can cropped and free splice combination,Suitable for Many Small Fish Tank Size.
  • Multifunctional:Effectively separate the fish and avoid bites each other; decorative support frame for easy cleaning of feces; turtle drying platform; controller storage rack.
  • Creative Parts:20 pcs supporting feet,Height can be freely adjustable.
  • Note:Each time a foot is added, the height rises by 0.79 inch.
  • Manufacture: Ioffer-super
  • Editor's Impressions Of The Ioffersuper
  • Quality
  • Value For Money
  • Affordability

Ioffersuper Final Thoughts

"I like Product."

Only because of that reviewer, I was able to use them the way I intended. There are slots along the top that they can see through. If you have the divider in the gravel it will not meet the top of the tank. Very sturdy, has clips on the sides to keep in place. It dose have good flow between the tanks. This product is one that I would be really sad to see disappear. Look closely at the slight taper in the connections to see which way to insert them.

Overall Score
4.1


(26 Points)

3. MiguCo 4pcs Aquarium Top Cover Bracket Acrylic Fish Tank Lid Support Holder Clip

User Ratings: 23

MiguCo First Impressions

"Shipping was immediate."

I mean, it's an aquarium divider lol. I cut it to size using a paper cutter because it was easier than scissors. I am going to put a Male betta on each side. Take it from us— follow the instructions about what type to use! I cut it to size using a paper cutter because it was easier than scissors. Very pleased with this tank divider. The first time we tried using this, we cracked an empty one.

  • MiguCo 4pcs Aquarium Top Cover Bracket Acrylic Fish Tank Lid Support Holder Clip
  • Made of high quality acrylic material, sturdy and durable for long time use
  • Available for all kinds of open fish tank/pet box without tension and need to be covered
  • Can be hung directly on the edge of tank wall from 6mm to 12mm in thickness
  • Designed with two screws to tighten up and make it more stable
  • Compact size, easy to install and use, a wonderful accessory for aquariums and fish tanks
  • Manufacture: MiguCo
  • Editor's Impressions Of The MiguCo
  • Quality
  • Value For Money
  • Affordability

MiguCo Final Thoughts

"Works perfectly."

Very pleased with this tank divider. Doesn't obstruct the look of my fish tank. I know Betta fish are aggressive, so they must be separated. So I'm writing this to tell you you step on them. It's good for what I needed it for. Product works great if you can figure out how to fit it into your fish tank. I bought these clear suction cups separately.

Overall Score
3.5


(5 Points)

4. Balacoo 5PCS Aquarium Divider Tray Plastic Grid Aquarium Egg Crate Light Diffuser Fish Tank Filter B...

Balacoo 1939ZQPO6182MH6 First Impressions

"Becomes a bit cloudy."

Small, skinny betta can go through those. It is a thick sturdy plastic, and the suction power is strong. The connection joints are very snug. Make sure you read the instructions and have the right type of aquarium! The only con is that it's see through. I bought these clear suction cups separately. Got it for my bettas fish,male and female.

  • Balacoo 5PCS Aquarium Divider Tray Plastic Grid Aquarium Egg Crate Light Diffuser Fish Tank Filter Bottom Isolation
  • Multi-purpose, can be made of woven bottom, lining board, fish tank supplies.
  • Use scissors to cut the shape you want.
  • DIY COMBINATION - This Plastic Fish Tank Mesh Grid can disassembled and free combination
  • MIXED BREEDING - You can easily divide your tank into several compartments using these divider brackets. This separates different fish, breeds and prevents fish from confronting.
  • INCREASE SURVIVAL RATE - The use of divider board can separate aggressive fish and weak fish, effectively increasing the survival rate of injured fish, small fish, shrimp, and other clownfish.
  • Manufacture: Balacoo
  • Product Dimensions: 19.69 x 12.99 x 0.04 inches; 1.05 Pounds
  • Editor's Impressions Of The Balacoo 1939ZQPO6182MH6
  • Quality
  • Value For Money
  • Affordability

Balacoo 1939ZQPO6182MH6 Final Thoughts

"Hopefully."

The holes are smaller than some other similar dividers, which is why I chose these. I know Betta fish are aggressive, so they must be separated. If you have the divider in the gravel it will not meet the top of the tank. You will have to cut them to fit any other size aquarium. I had an oddly aggressive Molly and this worked great for the time I needed to use. Only for betta fish since I own them. My betta fish even got in fights 3 times because the went through them.

Overall Score
5.0


(1 Points)

5. Gelible Aquarium Fish Tank Acrylic Divider

User Ratings: 50 11

Gelible First Impressions

"Love this seat cover."

The holes are smaller than some other similar dividers, which is why I chose these. It was a bit too wide for my tank, so I cut it a bit and it's perfect. Overall this has done the job I've needed to. It is a thick sturdy plastic, and the suction power is strong. The female is on the larger side with her babies. It's good for what I needed it for. I have it in a divided ten gallon with two bettas.

  • Gelible Aquarium Fish Tank Acrylic Divider
  • ⭐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;
  • Manufacture: Gelible
  • Editor's Impressions Of The Gelible
  • Quality
  • Value For Money
  • Affordability

Gelible Final Thoughts

"But it keeps adults in."

I got this so I could put two male bettas in a tank. It comes in clear so I had to rough up both sides to make it opaque. Im using them to hold airline tubing. So I divided it allowing me to have 2 tanks in one large tank. It keeps the boys from being able to see each other. However, keep in mind this tank divider does not fit just ANY 10 gallon! This product is one that I would be really sad to see disappear.

Overall Score
3.8


(37 Points)

6. JZMYXA Aquarium Fish Tank Divider Suction Cup, 4 Pieces

User Ratings: 63 9

JZMYXA First Impressions

"So I tried and tried."

Look closely at the slight taper in the connections to see which way to insert them. The fry didn't understand so they swam through the sides. I had ordered 3 others before this one. Very good divider for my 20 gal long freshwater aquarium. You can also cut it down to the size of your tank, which was not too difficult to do. I know Betta fish are aggressive, so they must be separated. And now I know they are getting enough to eat.

  • JZMYXA Aquarium Fish Tank Divider Suction Cup, 4 Pieces
  • Fit for bulkhead with thickness of 0.039-0.23 inch(1mm-6mm).
  • Handy clips to divide a bigger fish tank into several.
  • Easy to install in your aquarium fish tank.
  • Suction cup dia:1.14 inches/29 mm.
  • Size: 1.69" x 2" (L X W), 4 Pieces.
  • Manufacture: JZMYXA
  • Product Dimensions: 2 x 1.69 x 0.4 inches; 2.4 Ounces
  • Editor's Impressions Of The JZMYXA
  • Quality
  • Value For Money
  • Affordability

JZMYXA Final Thoughts

"Worked like a charm."

I uploaded a video to demonstrate the barrier in action xD. Fish can't swim to the other side anymore, and it looks super cool. Doing these two things really keeps this thing in place. Would recommend two smaller filters on either side to help water flow. The holes are smaller than some other similar dividers, which is why I chose these. You can also try any other small fish. Small, skinny betta can go through those.

Overall Score
4.1


(100 Points)

7. RMISODO 8 Pieces Grid Divider Tray Plastic Aquarium Fish Tank Divider Isolation Board

RMISODO First Impressions

"It's perfect!"

And now I know they are getting enough to eat. I did have to bury the bottom in about an inch or so of gravel to keep it in place. Doesn't obstruct the look of my fish tank. Works wonders for our water turtle tank. Description says if they dont go together use zip ties. There were scratches when we got this so I originally gave it one star review. Very few problems just a couple things to keep in mind when buying.

  • RMISODO 8 Pieces Grid Divider Tray Plastic Aquarium Fish Tank Divider Isolation Board
  • ✔ The grid divider can effectively separate fish and prevent them from biting each other. Increasing the survival rate of baby fish, isolating aggressive fish.
  • ✔ Made of food-grade plastic material, sturdy and firm, environmentally friendly, will not bend or snap over time, and won't affect water quality.
  • ✔ This plastic grid can cropped and free splice combination, you can easily divide your tank into several compartments with these grid dividers.
  • ✔ Size of the grid isolate board is about 15 cm x 30 cm/5.91" x 11.81". Package includes 8 pieces grid dividers in black and white, each color with 4 pieces, easily to fix and move.
  • ✔ We offer the best products as well as a comprehensive customer service. If you have any dissatisfaction about our item after you received, please contact with us in 24 hours to solve.
  • Manufacture: RMISODO
  • Editor's Impressions Of The RMISODO
  • Quality
  • Value For Money
  • Affordability

RMISODO Final Thoughts

"Perfect egg tray."

First- When dividing a 10 gallon tank the flow is not the same. I mean, it's an aquarium divider lol. I also found out small fish can easily swim between the gaps on the sides. The gravel along with the quick trim left no gaps for me. My betta fish even got in fights 3 times because the went through them. 6-25-19- I had to make a minor adjustment to my divider. Let's water flow freely through our entire tank.

Overall Score
3.0


(1 Points)

8. Lifewithpets 20 Gallon Long Aquarium Tank Divider (3 Pack) Check Compatible Tank Below.

User Ratings: 53 12

Lifewithpets First Impressions

"We'll see."

I know Betta fish are aggressive, so they must be separated. It comes in clear so I had to rough up both sides to make it opaque. This was clear, easy to install, and well made. It is a bit tricky to straighten it and clip it, but with a bit of a push, it's fine. I did not receive suction cups but I had my own to it did what I was looking for. I used this product to divide my 10gallon tank. The product comes with many small plastic pieces.

  • Lifewithpets 20 Gallon Long Aquarium Tank Divider (3 Pack) Check Compatible Tank Below.
  • Compatible with Aqueon 20 gallon long tanks Only. Size 30.25 x 12.5 x 12.75
  • Easy to install and maintain - No Suction Cups Required
  • Made from solid and sturdy non toxic material
  • Adjustable sidebars for the perfect fit
  • Not suitable for reptile tanks unless siliconed in place.
  • Manufacture: Gardner Creative Innovations Inc
  • Item Weight: 2.4 Pounds
  • Editor's Impressions Of The Lifewithpets
  • Quality
  • Value For Money
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Lifewithpets Final Thoughts

"Excellent product!"

They can still see each other and try to fight through the barrier but its a no go. So if you have the exact tank, it would be perfect. There were scratches when we got this so I originally gave it one star review. I got this to keep my albino Koi guppies separated from my fancy males. Take it from us— follow the instructions about what type to use! You can also try any other small fish. It is easy to install but, careful not to lose anything.

Overall Score
3.8


(13 Points)

9. WDFS Isolate Board 2pcs Home Accessories Aquarium Bottom Grid Divide Garden Durable Professional Fis...

WDFS First Impressions

"I love this!"

So I dont need the suction cups even though I'm glad I have them. Very few problems just a couple things to keep in mind when buying. Second- Do not recommend for bettas or small fish! Take it from us— follow the instructions about what type to use! Actually adds additional filtration I think. This was clear, easy to install, and well made. It assembled quickly and painlessly.

  • WDFS Isolate Board 2pcs Home Accessories Aquarium Bottom Grid Divide Garden Durable Professional Fish(Transparent)
  • Used in virtually all professional filters these can easily be cut to size or cable tied together for larger filters.
  • Use these divider holders for SEparations of different fish,for breeding and to prevent your fish to fight as well.
  • Suitable for: Isolate fish, build platform, bottom filter
  • Made of material,safe and durable, non-toxic,no harm to fish You can easily divide your tank into several compartments with these divider holders
  • ​ Size(L x W ): Approx. 30cm x 15cm /11.81inch x5.91inch;Package Included: 2PCS x Isolate Board
  • Manufacture: WDFS
  • Product Dimensions: 12.6 x 3.94 x 3.15 inches; 0.35 Ounces
  • Editor's Impressions Of The WDFS
  • Quality
  • Value For Money
  • Affordability

WDFS Final Thoughts

"Excellent product!"

The gravel along with the quick trim left no gaps for me. This is a great option for keeping two bettas in the same tank! I used this to separate my two Betta fish in a 10 gallon tank. They can still see each other and try to fight through the barrier but its a no go. It is a thick sturdy plastic, and the suction power is strong. It dose have good flow between the tanks. No it doesnt come with the suction cups.

Overall Score
5.0


(1 Points)

10. J-star 6 Pcs Aquarium Acrylic Clip for Rimless Aquariums, Glass Lid Support Holder Clip, Transparent...

J-star First Impressions

"It's fairly easy to do."

It dose have good flow between the tanks. And if you fill your tank very full with water they can swim over the divider. I would much rather be able to see my whole tank the rest of the day. The connection joints are very snug. Two were forced to spend most of their time in hiding. I bought these clear suction cups separately. It keeps the boys from being able to see each other.

  • J-star 6 Pcs Aquarium Acrylic Clip for Rimless Aquariums, Glass Lid Support Holder Clip, Transparent Clip for Fish Tank
  • Made of high-quality acrylic material, non-toxic, high transparency, beautiful and durable for a long time to use.
  • A variety of specifications meet different fish tank glass thickness, suitable for fish tanks or pet boxes that need to be covered.
  • The aquarium lid clips can be directly hung on the side of the fish tank, and equipment such as aquarium lights, filters, and fish tank covers can be placed on the bracket.
  • Fish tank clip are used for all kinds of open clear tanks, fish tanks, landscape tanks, turtle or snake tanks, and pet glass tanks that require heat preservation.
  • Easy to install and use, they are great accessory for aquariums and fish tanks. Recommended to use 4 pcs for small tanks and 6 pcs for large tanks.
  • Manufacture: J-star
  • Editor's Impressions Of The J-star
  • Quality
  • Value For Money
  • Affordability

J-star Final Thoughts

"However, I bought the 15."

Only because of that reviewer, I was able to use them the way I intended. I'll keep it for separating parts of my tank as I plant new areas but not for fry. Actually adds additional filtration I think. I actually like how tight it fits so it won't get dislocated accidentally. You need to use a mallet to connect the panels together. I got this so I could put two male bettas in a tank. We have four South American cichlids that do not live in harmony together.

Overall Score
5.0


(1 Points)

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