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

1. 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)

2. 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)

3. LQ Industrial Aquarium Bottom Isolation 2PCS Black Fish Tank Grid Divider Tray Egg Crate Louvre with...

User Ratings: 60

LQ Industrial First Impressions

"Becomes a bit cloudy."

Look closely at the slight taper in the connections to see which way to insert them. Look closely at the slight taper in the connections to see which way to insert them. I have it in a divided ten gallon with two bettas. Purchased this to temporarily divide a 20-long tank for axolotls. Second- Do not recommend for bettas or small fish! Barrier is like a plastic mesh screen that allows water to flow through. Giving it 4 stars due to the high price of something so simple.

  • LQ Industrial Aquarium Bottom Isolation 2PCS Black Fish Tank Grid Divider Tray Egg Crate Louvre with 4PCS Sucker Clips for Mixed Breeding
  • Made of food-grade plastic materials, it is environmentally friendly and does not affect water quality. Suitable for fresh water and sea water.
  • Using these dividers, you can easily divide the water tank into several compartments, which can be spliced as needed.
  • Can effectively separate the fish to avoid the fish biting each other, and can also be used as a filter at the bottom of the fish tank.
  • The bottom plate used for DIY bottom filtration is conducive to water circulation; isolate the fish in the fish tank; or serve as the bottom of the fish tank; the fish tank is equipped with excellent small accessories such as landscaping.
  • Size: 30x15x0.8cm/11.81x5.91x0.3inch.Small Grid Size: 1.0x1.0/0.39x0.39inch.
  • Manufacture: LQ Industrial
  • Editor's Impressions Of The LQ Industrial
  • Quality
  • Value For Money
  • Affordability

LQ Industrial Final Thoughts

"Thank you!"

Worth it though if you have money to blow. It's great products, fit perfectly and fast shipping. Very good divider for my 20 gal long freshwater aquarium. 6-25-19- I had to make a minor adjustment to my divider. They can still see each other and try to fight through the barrier but its a no go. It comes with MANY suction cups and attachments. It comes in clear so I had to rough up both sides to make it opaque.

Overall Score
3.8


(3 Points)

4. LANDUM 5Pieces Aquarium Fish Tank Divider Suction Cup Divider Plastic Sheet Holder Set White

User Ratings: 50

LANDUM First Impressions

"I highly recommend!"

It was a bit too wide for my tank, so I cut it a bit and it's perfect. It dose have good flow between the tanks. Holes are drilled evenly and it will divide fish 1. I'm separating male and female cichlids. There were scratches when we got this so I originally gave it one star review. I had an oddly aggressive Molly and this worked great for the time I needed to use. And if you fill your tank very full with water they can swim over the divider.

  • LANDUM 5Pieces Aquarium Fish Tank Divider Suction Cup Divider Plastic Sheet Holder Set White
  • Plastic + Rubber
  • ㊥Safe and Durable: made of plastic material, non-toxic,no harm to fish
  • ㊥Strong Suction: Firmly adheres to the fish tank wall, long service life
  • ㊥Trouble-tree Installation: Handy clips to divide a bigger fish tank into several compartment for breeding or separation
  • ㊥Protect Fish: Form two separate spaces to protect young and sick fish
  • ㊥Low Maintenance: Easy to clean and operate
  • Manufacture: LANDUM
  • Editor's Impressions Of The LANDUM
  • Quality
  • Value For Money
  • Affordability

LANDUM Final Thoughts

"Very carefully machined."

It comes with MANY suction cups and attachments. This WILL fit an Aqueon tall 10 gallon, but NOT a Top Fin tall 10 gallon. I am going to put a Male betta on each side. You can also try any other small fish. Make sure to set it up in the middle of the water pump. A silicone tray, Charcoal potty pad, and this grid. Barrier is like a plastic mesh screen that allows water to flow through.

Overall Score
4.5


(2 Points)

5. DOHO Aquarium Divider Grid Isolate Board Fish Tank Bottom Black Filter Tray Aquarium Crate (11.8 x 5...

User Ratings: 49 5

DOHO First Impressions

"They worked like a charm."

I did not receive suction cups but I had my own to it did what I was looking for. Would recommend two smaller filters on either side to help water flow. Easy to use and perfect for my tank! Will certainly be buying more of these! Actually adds additional filtration I think. My betta fish even got in fights 3 times because the went through them. Not worried about the small fish due to the size of the fry.

  • DOHO Aquarium Divider Grid Isolate Board Fish Tank Bottom Black Filter Tray Aquarium Crate (11.8 x 5.9inch,Black) 6 Pcs
  • Aquarium divider made of food-grade plastic material, environmental protection won't affect water quality.
  • This item can cropped and free splice combination.
  • Effectively separate the fish and avoid bites each other.
  • Size: 30cmx15cm/11.8"*5.9"
  • Package Included:6Pcs black grid dividers and 6Pcs suction cups
  • Manufacture: DOHO
  • Editor's Impressions Of The DOHO
  • Quality
  • Value For Money
  • Affordability

DOHO Final Thoughts

"Great customer service."

Doing these two things really keeps this thing in place. It was slightly long so I had to trim off the bottom edge to make it fit. Worth it though if you have money to blow. 6-25-19- I had to make a minor adjustment to my divider. Very sturdy, has clips on the sides to keep in place. The connection joints are very snug. It was slightly long so I had to trim off the bottom edge to make it fit.

Overall Score
3.9


(29 Points)

6. Balacoo 4pcs Aquarium Divider Fish Tank Grid Divider Tray Egg Crate Bottom Divider Isolation Board w...

User Ratings: 44 11

Balacoo X0369L23J3JG First Impressions

"Works pretty well."

My betta fish even got in fights 3 times because the went through them. The fry didn't understand so they swam through the sides. This worked perfectly for my 55 gallon aquarium. I actually like how tight it fits so it won't get dislocated accidentally. It comes with MANY suction cups and attachments. I'm separating male and female cichlids. If you have the divider in the gravel it will not meet the top of the tank.

  • Balacoo 4pcs Aquarium Divider Fish Tank Grid Divider Tray Egg Crate Bottom Divider Isolation Board with 4Pcs Sucker Clips Aquarium Supplies
  • Grid divider can be cut and spliced, convenient to use.
  • Includes 4pcs Aquarium Isolation Panel and 4pcs suction cup.
  • Easy to install and remove. Suitable for:Isolate fish,build platform,bottom filter.
  • You can easily divide your fish tank into several compartments with these divider holders for breeding or separation.
  • Made of premium material for durable and practical use.
  • Manufacture: Balacoo
  • Product Dimensions: 11.81 x 5.91 x 0.39 inches; 1.76 Ounces
  • Editor's Impressions Of The Balacoo X0369L23J3JG
  • Quality
  • Value For Money
  • Affordability

Balacoo X0369L23J3JG Final Thoughts

"They don't snap together."

Let's water flow freely through our entire tank. I created an inexpensive portable indoor potty for my little dog. I would much rather be able to see my whole tank the rest of the day. Product works great if you can figure out how to fit it into your fish tank. Holes are drilled evenly and it will divide fish 1. Holes are big enough for good circulation throughout the tank. I uploaded a video to demonstrate the barrier in action xD.

Overall Score
3.6


(10 Points)

7. Aliyaduo 8 Pack Fish Tank Divider, Snap Together & Cutting Feature - Plastic Aquarium Divider Panel ...

User Ratings: 51 7

Aliyaduo First Impressions

"So it's nice decision."

I have to trim off about a quarter inch and then they work just fine. It worked well for me and I would highly recommend it to anyone. I did have to bury the bottom in about an inch or so of gravel to keep it in place. It is thick, well made and a great addition if you have the tank they specified. Small, skinny betta can go through those. They can still see each other and try to fight through the barrier but its a no go. Very good divider for my 20 gal long freshwater aquarium.

  • Aliyaduo 8 Pack Fish Tank Divider, Snap Together & Cutting Feature - Plastic Aquarium Divider Panel Separator - Grid Isolation Board Divider, Egg Crate Fish Tank Bottom Tray
  • FLEXIBLE TO USE - each Fish Tank Divider can be snapped together to make a large panel, also can be cut easily with wire cutter to your desired size to fit your fish tank
  • EASY TO INSTALL - just slip the male into the female by placing one above the other and pushing down. You can't push horizontally. If you can not get these grids to connect together, zip ties also recommended
  • VERSATILE DIVIDERS - the fish tank partitions can be used to separate a fish that had started getting too aggressive, to elevate rocks in an Aquascape as a base level in the aquarium, to make turtle ramps for your turtle habitats, or do some other diy projects. Limitless possibilities for what these can be used for
  • DIENESIONS - each aquarium divider piece measures approx 30cm * 15cm/ 11.81 * 5.91 inch(L*W), each grid hole measures approx 1cm/0.4 inch, which is small enough that your betta fish wouldn't get through or get stuck.
  • MATERIAL - These fish tank separators are made of food-grade durable plastic material, non-toxic and tasteless, environmental protection won't affect water quality, suitable for both salt water and freshwater tank
  • Manufacture: Aliyaduo - 8pcs fish tank divider
  • Editor's Impressions Of The Aliyaduo
  • Quality
  • Value For Money
  • Affordability

Aliyaduo Final Thoughts

"Its very pretty too."

Will certainly be buying more of these! I will be buying more of this I recommend them 100%. I turn a 10-gallon tank into three, 3. I've bought several of these to divide my betta's and they've been great! Works wonders for our water turtle tank. Barrier is like a plastic mesh screen that allows water to flow through. My only small issue with it is the way it attaches to the tank.

Overall Score
4.1


(60 Points)

8. Lifewithpets 20 Gallon Long Aquarium Tank Divider. Check Compatible Tank Below.

User Ratings: 48 11

Lifewithpets First Impressions

"Works as intended!"

This is THE BEST divider I've found! The connection joints are very snug. The product comes with many small plastic pieces. My dog can use her indoor potty and keep clean and dry above the pad. They look like the edging that's on the tanks, so it's as attractive as possible. Overall this has done the job I've needed to. It comes in clear so I had to rough up both sides to make it opaque.

  • Lifewithpets 20 Gallon Long Aquarium Tank Divider. Check Compatible Tank Below.
  • Compatible with Aqueon 20 Gallon long tanks ONLY. Tank size 30.25” x 12.5”x12.75”
  • Easy to install and maintain - No Suction Cups Required
  • Made from solid and sturdy non toxic material
  • Adjustable sidebars for the perfect fit
  • Suitable for reptile tanks when siliconed in place.
  • Manufacture: Gardner Creative Innovations Inc
  • Item Weight: 14 Ounces
  • Editor's Impressions Of The Lifewithpets
  • Quality
  • Value For Money
  • Affordability

Lifewithpets Final Thoughts

"The divider works well."

I actually like how tight it fits so it won't get dislocated accidentally. Two were forced to spend most of their time in hiding. This WILL fit an Aqueon tall 10 gallon, but NOT a Top Fin tall 10 gallon. It is thick, well made and a great addition if you have the tank they specified. This is THE BEST divider I've found! Works wonders for our water turtle tank. My dog can use her indoor potty and keep clean and dry above the pad.

Overall Score
3.8


(15 Points)

9. Lifewithpets 10 Gallon Fish Tank Divider (2 Pack) Check Compatible Tank Below.

User Ratings: 61 13

Lifewithpets First Impressions

"The divider works well."

A silicone tray, Charcoal potty pad, and this grid. I found these and now have 6 of them for my male bettas. I cam keep my 2 betta fish in the same tank now. Make sure you read the instructions and have the right type of aquarium! Holes are drilled evenly and it will divide fish 1. It is a bit tricky to straighten it and clip it, but with a bit of a push, it's fine. 6-25-19- I had to make a minor adjustment to my divider.

  • Lifewithpets 10 Gallon Fish Tank Divider (2 Pack) Check Compatible Tank Below.
  • Compatible with Aqueon tank size 20.25"x10.5"x12.6" only. All 10 gallon tanks are NOT the same size. Please check tank size before buying.
  • Easy to install and maintain - No Suction Cups Required. An install video link is included on the instruction sheet.
  • Made from a solid, 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: 1.8 Pounds
  • Editor's Impressions Of The Lifewithpets
  • Quality
  • Value For Money
  • Affordability

Lifewithpets Final Thoughts

"Love these!"

Only reason I took a star off was the price. You can also try any other small fish. Doesn't obstruct the look of my fish tank. We have four South American cichlids that do not live in harmony together. I also found out small fish can easily swim between the gaps on the sides. So I dont need the suction cups even though I'm glad I have them. I turn a 10-gallon tank into three, 3.

Overall Score
4.1


(10 Points)

10. Ioffersuper 4 Pcs Grid Divider Tray Egg Crate Louvre Aquarium Fish Tank Bottom Isolation

User Ratings: 69 2

Ioffersuper First Impressions

"Excellent product!"

Second- Do not recommend for bettas or small fish! It worked well in my very small 12 gallon show tank. Only because of that reviewer, I was able to use them the way I intended. If you have the divider in the gravel it will not meet the top of the tank. It was a bit too wide for my tank, so I cut it a bit and it's perfect. Only reason I took a star off was the price. Make sure you read the instructions and have the right type of aquarium!

  • Ioffersuper 4 Pcs Grid Divider Tray Egg Crate Louvre Aquarium Fish Tank Bottom Isolation
  • Size(Approx.):Square grid size is 10mm;The size of aquarium filter grids is 30*15cm/12*6inches.The tank filter grids can be freely spliced and cut by yourself, and the size can be determined according to your actual needs.
  • High Quality Material:Our fish tank dividers and supporty feet are made of premium PC,safe and durable,non-toxic,no harm to your fishes and will not affect water quality.You can use it with confidence.Perfect accessories for aquarium tank.
  • Wide Application:Our grid divider trays are perfect for all types of freshwater and saltwater aquarium.Effectively separate the fish and avoid bites each other; decorative support frame for easy cleaning of feces; turtle drying platform; controller storage rack.
  • Isolation Function:Isolate fish,build platform,bottom filter.Aquarium divider can be used to separate different fishes, prevent fish from fighting.And can increase the survival rate of breeded fish by separating the aggressive fish and weak fish.
  • Great Value Package:You will get 2 pieces white aquarium separation grids+2 pieces black aquarium separation grids.Can be used to isolate fish, build platforms, or use as a bottom filter.
  • Manufacture: Ioffersuper
  • Editor's Impressions Of The Ioffersuper
  • Quality
  • Value For Money
  • Affordability

Ioffersuper Final Thoughts

"Cut to fit snug."

You can also try any other small fish. I found these and now have 6 of them for my male bettas. Fish can't swim to the other side anymore, and it looks super cool. I have it in a divided ten gallon with two bettas. They can still see each other and try to fight through the barrier but its a no go. Very few problems just a couple things to keep in mind when buying. I have to trim off about a quarter inch and then they work just fine.

Overall Score
4.4


(132 Points)

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