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

1. YG_Oline 5 Pcs Black Aquarium Divider Trays, Plastic Grid Isolate Board Divider, Durable Filter Grid...

User Ratings: 70

YG_Oline First Impressions

"Otherwise very good."

And I've been in the hobby a long time! I can see why people thought it was white. The female is on the larger side with her babies. It was a bit too wide for my tank, so I cut it a bit and it's perfect. And since it has been working ok, I decided to change the review to 4 star. Don't think so, unless it’s not in water. It comes with MANY suction cups and attachments.

  • YG_Oline 5 Pcs Black Aquarium Divider Trays, Plastic Grid Isolate Board Divider, Durable Filter Grid Segregation Board with 15 Pcs Black Sucker Clips for Fish Tank
  • Size and Material: segregation board 11.8x6x0.25inch, grid size 0.39x0.39 inch, suction cup 2.6x2.2inch, fix for about 6mm thickness tray, they are all made of plastic material.
  • Function: You can easily divide your fish tank into several compartments with these dividers. Use these dividers to separate different fish and breed, so you don’t have to worry about your aquarium fighting anymore
  • Tip: When clamping your separating plate with suction cup, pay attention to the angle of jamming. First hold the plate at a 45-degree angle to the side of the plate, do not use brute force, and then slowly fix the remaining part.
  • You can easily divide your fish tank into several compartments with these compartment holders. This plastic grid can be combined with cutting and free stitching
  • Package Include: 5 packs Plastic Aquarium Divider Trays + 15 pieces Black Sucker Clips
  • Manufacture: YG_Oline
  • Editor's Impressions Of The YG_Oline
  • Quality
  • Value For Money
  • Affordability

YG_Oline Final Thoughts

"Made a shelf in my sump."

I'm not using it but keeping it in case. Two were forced to spend most of their time in hiding. You do have to assemble it yourself but that isn't too hard. And I've been in the hobby a long time! I did have to bury the bottom in about an inch or so of gravel to keep it in place. You can also try any other small fish. Description says if they dont go together use zip ties.

Overall Score
4.7


(4 Points)

2. POPETPOP 5 Pcs Aquarium Divider - Aquarium Isolation Board Fish Tank Divider with Supporty Feet Fish...

POPETPOP First Impressions

"But it keeps adults in."

Make sure to set it up in the middle of the water pump. Very few problems just a couple things to keep in mind when buying. There are slots along the top that they can see through. This product is one that I would be really sad to see disappear. There were scratches when we got this so I originally gave it one star review. The divider itself works very well and seems sturdy. I actually like how tight it fits so it won't get dislocated accidentally.

  • POPETPOP 5 Pcs Aquarium Divider - Aquarium Isolation Board Fish Tank Divider with Supporty Feet Fish Tank Divider Isolation Board for Aquarium Breeding - White
  • It is good accessory for breeding large dragon fish, sea fish and making fish tanks.
  • Fish tank isolation board Flat and smooth, it is safe for fish.
  • Aquarium tank divider Can be spliced at will. Good water permeability.
  • Fish divider for aquarium.It is very convenient to use and install.
  • This product is made of PVC material, slightly submerged and has good toughness.
  • Manufacture: POPETPOP
  • Product Dimensions: 10.63 x 7.87 x 0.51 inches; 1.54 Pounds
  • Editor's Impressions Of The POPETPOP
  • Quality
  • Value For Money
  • Affordability

POPETPOP Final Thoughts

"Let's face it."

Holes are drilled evenly and it will divide fish 1. My only small issue with it is the way it attaches to the tank. There are slots along the top that they can see through. I will be buying more of this I recommend them 100%. There were scratches when we got this so I originally gave it one star review. You need to use a mallet to connect the panels together. Overall I was pleased with this divider.

Overall Score
5.0


(1 Points)

3. Alfie Pet - Rishi Aquarium Fish Tank Acrylic Divider Isolation Board (Suction Cup Included)

User Ratings: 50

Alfie First Impressions

"Easy to put in tank."

I'm separating male and female cichlids. I know Betta fish are aggressive, so they must be separated. Description says if they dont go together use zip ties. Very good divider for my 20 gal long freshwater aquarium. This fit PERFECTLY in our 75 gallon aquarium. It dose have good flow between the tanks. It keeps the boys from being able to see each other.

  • Alfie Pet - Rishi Aquarium Fish Tank Acrylic Divider Isolation Board (Suction Cup Included)
  • Measures 10.25-12"L x 11.25"H. The holes are 5mm
  • Those holes are 5mm wide.
  • Made of high-quality acrylic material, providing a good space for the fish.
  • Transparent design and advanced environmental protection materials to provide sufficient protection for your fish safety.
  • We have covered the product with a white protective film, please remove it before use.
  • Manufacture: Alfie
  • Editor's Impressions Of The Alfie
  • Quality
  • Value For Money
  • Affordability

Alfie Final Thoughts

"I tried and tried."

It is a bit tricky to straighten it and clip it, but with a bit of a push, it's fine. Would recommend two smaller filters on either side to help water flow. Even though there are holes in the acrylic the water flow is not the same. It worked well for me and I would highly recommend it to anyone. I mean, it's an aquarium divider lol. 4stars because it says easy to connect peices together. I came back to give it a 4 star review!

Overall Score
4.0


(2 Points)

4. Yohii Aquarium Fish Tank Divider Suction Cup Plastic Sheet Holder Black - 20pcs

User Ratings: 66 10

Yohii First Impressions

"They don't snap together."

And now I know they are getting enough to eat. We have four South American cichlids that do not live in harmony together. It keeps the boys from being able to see each other. 4stars because it says easy to connect peices together. It worked well in my very small 12 gallon show tank. Very good divider for my 20 gal long freshwater aquarium. Barrier is like a plastic mesh screen that allows water to flow through.

  • Yohii Aquarium Fish Tank Divider Suction Cup Plastic Sheet Holder Black - 20pcs
  • Package Content: 20pcs x Divider Sheet Holder
  • They can be used for both salt water tanks and fresh water tanks.
  • Size: Suction Cup Diameter: 3cm/1.2"; Fit Sheet Thickness: 5mm/0.2"
  • Handy clips to divide a bigger fish tank into several compartment for breeding or separation.
  • The suction cup part is made of plastic material, it will stay firmly on the surface of your fish tank or aquarium.
  • Manufacture: Yohii
  • Part Number: C180717053
  • Material: ABS
  • Item Weight: 7.5 ounces
  • Batteries Included?: No
  • Batteries Required?: No
  • Editor's Impressions Of The Yohii
  • Quality
  • Value For Money
  • Affordability

Yohii Final Thoughts

"Excellent product!"

I turn a 10-gallon tank into three, 3. They can see each other but they can't fight. I also found out small fish can easily swim between the gaps on the sides. I did have to bury the bottom in about an inch or so of gravel to keep it in place. You need to use a mallet to connect the panels together. You just need to peel of the protective layer from both sides. Two were forced to spend most of their time in hiding.

Overall Score
4.2


(41 Points)

5. CoscosX 50 Pcs 2 Ways Transparant Aquarium Air Valve Connectors Plastic Inline Splitter Pump Tubing ...

User Ratings: 67 6

CoscosX First Impressions

"What I expected."

The flow holes allowed for ample current and water circulation. First- When dividing a 10 gallon tank the flow is not the same. It dose have good flow between the tanks. This product is one that I would be really sad to see disappear. I did have to bury the bottom in about an inch or so of gravel to keep it in place. This fit PERFECTLY in our 75 gallon aquarium. The fry didn't understand so they swam through the sides.

  • CoscosX 50 Pcs 2 Ways Transparant Aquarium Air Valve Connectors Plastic Inline Splitter Pump Tubing Connectors Fish Tank Pond Air Line Connector for Fish Tank 4MM Airline Tube
  • SAFTY MATERIA:Aquarium Fish Tank Filter Bottom Isolation make by safe and environmental protection plastic,won't produce safe effect to aquatic animals box water quality
  • Size:30cmx15cm/11.8"*5.9"*0.3";Package includes:8 Pcs Fish Tank Filter Bottom Isolate Grid and 10 pcs sucker clip.You can easily divide your fish tank into several compartments with these divider holders for breeding or separation.
  • EASY TO USE:Grid divider can be cut and spliced,and the Clip can be fixed anywhere in the aquarium,making it more convenient to use
  • 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.
  • Handy clips to divide a bigger fish tank into several compartment for breeding or separation.Suitable for:Isolate fish,build platform,bottom filter.
  • Manufacture: Dream-Wonderland
  • Editor's Impressions Of The CoscosX
  • Quality
  • Value For Money
  • Affordability

CoscosX Final Thoughts

"Great product."

And I've been in the hobby a long time! I turn a 10-gallon tank into three, 3. So if you have the exact tank, it would be perfect. I cam keep my 2 betta fish in the same tank now. I had an oddly aggressive Molly and this worked great for the time I needed to use. Overall this has done the job I've needed to. A silicone tray, Charcoal potty pad, and this grid.

Overall Score
4.3


(51 Points)

6. Lifewithpets 29 Gallon Fish Tank Divider. Please Check Compatible Tank Below.

Lifewithpets First Impressions

"The divider works well."

Overall this has done the job I've needed to. I also found out small fish can easily swim between the gaps on the sides. Divider works well for our two Bettas that share a 10 gallon aquarium. And I've been in the hobby a long time! We have four South American cichlids that do not live in harmony together. I created an inexpensive portable indoor potty for my little dog. And I've been in the hobby a long time!

  • Lifewithpets 29 Gallon Fish Tank Divider. Please Check Compatible Tank Below.
  • Compatible with Aqueon tank size 30.25L" x 12.5W" x 18.75H" only. Please check tank size before buying.
  • Easy to install and maintain - No Suction Cups Required.
  • 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
  • Editor's Impressions Of The Lifewithpets
  • Quality
  • Value For Money
  • Affordability

Lifewithpets Final Thoughts

"I like Product."

It keeps the boys from being able to see each other. Only because of that reviewer, I was able to use them the way I intended. I have it in a divided ten gallon with two bettas. You need to use a mallet to connect the panels together. It is easy to install but, careful not to lose anything. The only con is that it's see through. This WILL fit an Aqueon tall 10 gallon, but NOT a Top Fin tall 10 gallon.

Overall Score
5.0


(1 Points)

7. Alfie Pet - Comi Hang-on Nursery Fish Tank with Isolation Breeding Hatchery

User Ratings: 47 7

Alfie First Impressions

"I think these are great."

It is thick, well made and a great addition if you have the tank they specified. I would much rather be able to see my whole tank the rest of the day. It is easy to install but, careful not to lose anything. Perfect fit, easy to install, and ideal design. I'll keep it for separating parts of my tank as I plant new areas but not for fry. You can customize the to whichever size you like and the suctions are great. Not sure I would recommend it for fry however.

  • Alfie Pet - Comi Hang-on Nursery Fish Tank with Isolation Breeding Hatchery
  • This nursery fish case measures: 8" long; 4" wide and 4" high.
  • Ideal as maturation tank for fry, or isolation tank for aggressive or injured fish.
  • Removable center divider allows two fish to be safely isolated.
  • Space saving design that hangs on the inside of the aquarium.
  • Please remove the protection film before use.
  • Manufacture: Alfie
  • Product Dimensions: 11 x 5.7 x 1.6 inches; 3.2 Ounces
  • Editor's Impressions Of The Alfie
  • Quality
  • Value For Money
  • Affordability

Alfie Final Thoughts

"Easy to put in tank."

Very pleased with this tank divider. Fish can't swim to the other side anymore, and it looks super cool. I got this to keep my albino Koi guppies separated from my fancy males. Easy to use and perfect for my tank! Don't think so, unless it’s not in water. I would much rather be able to see my whole tank the rest of the day. There are slots along the top that they can see through.

Overall Score
3.9


(147 Points)

8. AROYEL 2Pcs Grid Isolate Board Divider Fish Tank Bottom Black Filter Tray Aquarium Crate

User Ratings: 50 50

AROYEL First Impressions

"Go together easy."

You can also try any other small fish. It keeps the boys from being able to see each other. Holes are drilled evenly and it will divide fish 1. It is easy to install but, careful not to lose anything. Very pleased with this tank divider. So I dont need the suction cups even though I'm glad I have them. So I'm writing this to tell you you step on them.

  • AROYEL 2Pcs Grid Isolate Board Divider Fish Tank Bottom Black Filter Tray Aquarium Crate
  • 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.
  • Size: 30*15*0.8cm/ 30*30*0.8cm ( Can be choose).
  • Use these divider holders for separations of different fish,for breeding and to prevent your fish to fight as well.
  • Used as a plate for bottom filtering, favorable water cycle. Could be cut to any sizes that fits your fish tank.
  • Handy clips to divide a bigger fish tank into several compartment for breeding or separation.Suitable for:Isolate fish,build platform,bottom filter.
  • Manufacture: AROYEL
  • Editor's Impressions Of The AROYEL
  • Quality
  • Value For Money
  • Affordability

AROYEL Final Thoughts

"Sticks on glass."

Overall I was pleased with this divider. Only reason I took a star off was the price. I also found out small fish can easily swim between the gaps on the sides. You can customize the to whichever size you like and the suctions are great. Look closely at the slight taper in the connections to see which way to insert them. Overall this has done the job I've needed to. Very tight fit with hardly any gap.

Overall Score
3.0


(2 Points)

9. 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
  • Affordability

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)

10. Lifewithpets 10 Gallon Aquarium Tank Divider. Perfect for Betta Fish Tanks. Check Compatible Tank Be...

User Ratings: 62 10

Lifewithpets First Impressions

"Otherwise very good."

You can customize the to whichever size you like and the suctions are great. I have to trim off about a quarter inch and then they work just fine. Nice, thick and attractive divider. They can still see each other and try to fight through the barrier but its a no go. Barrier is like a plastic mesh screen that allows water to flow through. So I divided it allowing me to have 2 tanks in one large tank. I mean, it's an aquarium divider lol.

  • Lifewithpets 10 Gallon Aquarium Tank Divider. Perfect for Betta Fish Tanks. Check Compatible Tank Below. NO Suction Cups Required.
  • ONLY compatible with Aqueon tank size 20.25”x10.5”x12.6”. 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 installation video link is provided 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 Pounds
  • Editor's Impressions Of The Lifewithpets
  • Quality
  • Value For Money
  • Affordability

Lifewithpets Final Thoughts

"However, I bought the 15."

It's great products, fit perfectly and fast shipping. Very tight fit with hardly any gap. My dog can use her indoor potty and keep clean and dry above the pad. It assembled quickly and painlessly. This fit PERFECTLY in our 75 gallon aquarium. Look closely at the slight taper in the connections to see which way to insert them. Small, skinny betta can go through those.

Overall Score
4.2


(72 Points)

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