I bought one of these for my angelfish breeding. I have some pairs that throw a percentage of albino fry and could never manage to get any of the albinos to survive until I tried one of these breeding boxes. Now, I am getting unbelievably high survival rates with my albino fry! I now have three of these and a fourth one is on it's way! And they are very affordable.
I can't say enough good about these boxes. They really simplify raising fry. They are VERY easy to clean and maintain. They can be used not only as breeding/fry boxes, but also as slow-drip acclamation devices, isolation tanks for stressed or "bullied" fish, and great holding tanks for taking pictures of your fish, and the added benefit of having the stability of the larger tank that the box is hanging on is priceless. To do a water change for your fry, simply do a water change in the main tank, and you never even have to move the fish in the box or worry about them during water changes.
As I mentioned already the price is fair, not too expensive at all. The instructions were simple and the design is brilliant.
The only cons I guess I can think of are that you can't use a top for the tank they are hanging on unless you devise a custom top that can fit around the part that hangs over the front of the tank. The other thing is that they come with tow "grates" that cover the overflow, one with small gaps for smaller fry, and one with larger gaps for once the fry are grown out a little. The problem with the grate covers with angelfish is that even with the smaller gapped grate, fry can squeeze through and get washed back into the main tank. To remedy this I bought some foam sponge from hobby lobby and cut small squares to replace the grate for the first week or so until the fry are too big to fit through the gaps. You will want to cut the foam sponge pieces to fit snugly but not tightly enough to restrict too much water flow otherwise you can overflow the box and wash some fry back into the tank that way. With a little adjusting of the trickle and just the right size sponge block, you can keep the fry in the box no problem. As great as these are I can't justify taking away a star for that little issue. If it weren't for these breeder boxes I wouldn't be able to raise the albinos... at least not without quitting my job and tending to them full time!
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From the manufacturer
Fluval Multi-Chamber Holding & Breeding Box
Designed for breeding, isolating or acclimatizing fish or shrimp, the Fluval Multi-Chamber Holding & Breeding Box is a safe & secure nursery for livebearer fish that hangs on the outside of the aquarium to make viewing and maintenance easy. Warm, oxygenated water from main aquarium circulates continuously through the breeding box with the use of an air pump (sold separately), so that fish enjoy the same conditions as the aquarium. Additional heaters or filters not required.
- Multi-Purpose
- Safe & secure tank for breeding, isolating or acclimatizing fish or shrimp
- Space-saving design, easily installs on the exterior of the aquarium
- Up to 3 separate compartments for breeding, isolating or acclimatizing fish, using partition plates (included)
- For frameless aquariums use with min. 5 mm glass thickness
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Compare with similar items
This Item  Fluval Multi-Chamber Holding and Breeding Box, Large – Up To 3 Separate Housing Compartments |  |  |  |  |  | |
| Price | -34% $18.52 List: $27.99 | $14.99 | -9% $19.99 List: $21.99 | $17.69 | $19.80 | $39.99 |
| Delivery | Get it as soon as Saturday, May 11 | Get it as soon as Saturday, May 11 | Get it as soon as Saturday, May 11 | Get it as soon as Saturday, May 11 | Get it as soon as Monday, May 13 | Get it as soon as Saturday, May 11 |
| Customer Ratings | ||||||
| Easy to assemble | ||||||
| Sturdiness | ||||||
| Suction power | ||||||
| Sold By | Amazon.com | HIERYAN | NANEEZOO-US | Amirago | xiaoyu hua | Pvnoocy |
| material | — | Polycast | Acrylic | — | Acrylic | Acrylic |
| weight | 1.2 pounds | — | — | 76 grams | 200 grams | 0.1 kilograms |
| style | Modern | Modern | 12" x 6" x 6" | fashion | — | Modern |
Reviews with images
Quality breeding box
Easy to assemble, good quality.My Betta was being aggressive and I have to get a makeshift tank ready while I setup a new 10gal.Very sturdy and was able to hang on my 3gal tank. Without issues.
Top reviews from the United States
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Reviewed in the United States on January 20, 2013
Size: LargeProduct Packaging: Standard PackagingVerified Purchase
Reviewed in the United States on April 16, 2024
Size: MediumProduct Packaging: Standard PackagingVerified Purchase
Easy to assemble, good quality.
My Betta was being aggressive and I have to get a makeshift tank ready while I setup a new 10gal.
Very sturdy and was able to hang on my 3gal tank. Without issues.
My Betta was being aggressive and I have to get a makeshift tank ready while I setup a new 10gal.
Very sturdy and was able to hang on my 3gal tank. Without issues.
Images in this review
Reviewed in the United States on July 23, 2023
Size: LargeProduct Packaging: Standard PackagingVerified Purchase
Bought this to temporarily house babies for my cichlid tank until they were large enough to safely go in the grow-out setup - worked pretty nice, though I think it'll be better suited for smaller fish such as guppies. Will have to test that out with my upcoming guppy breeding tank and see if the fry can fit through gaps in the plastic dividers. Also useful for separating fish if you have one getting beat up that needs its own space to recover.
Wasn't too hard to set up and is sturdy once you get it together. The bubbler does make a little noise, but it isn't terribly noticeable imo. The flow isn't heavy enough to push the fry around but disturbs the surface enough to help aerate the water.
Only downside I've come across is that the gap between the lid and tank along the lip that hangs it off the main tank is large enough for slimmer fish to jump out; was keeping a 3" khuli loach in there for a moment while cleaning out his old tank and he spooked and jumped right into the other tank! Happened so quick that I needed a moment to figure out why my loach suddenly wasn't there, lol. Now I keep a little bit of paper towel over that spot and haven't had a problem since.
That aside, I'm very happy with my purchase and will definitely make further use of it in the future.
Wasn't too hard to set up and is sturdy once you get it together. The bubbler does make a little noise, but it isn't terribly noticeable imo. The flow isn't heavy enough to push the fry around but disturbs the surface enough to help aerate the water.
Only downside I've come across is that the gap between the lid and tank along the lip that hangs it off the main tank is large enough for slimmer fish to jump out; was keeping a 3" khuli loach in there for a moment while cleaning out his old tank and he spooked and jumped right into the other tank! Happened so quick that I needed a moment to figure out why my loach suddenly wasn't there, lol. Now I keep a little bit of paper towel over that spot and haven't had a problem since.
That aside, I'm very happy with my purchase and will definitely make further use of it in the future.
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Reviewed in the United States on March 4, 2024
Size: LargeProduct Packaging: Standard PackagingVerified Purchase
Reviewed in the United States on April 4, 2024
Size: MediumProduct Packaging: Standard PackagingVerified Purchase
Fits the small side of my 10g mixed reef tank perfectly, holds macroalgae an pods, with just enough flow coming through the valve to allow a small stream of water through the "return" into my tank
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Top reviews from other countries
Derek
Good size
Reviewed in Canada on March 14, 2024Size: LargeProduct Packaging: Standard PackagingVerified Purchase
José Ricardo Robles Reyes
Lo que esperaba
Reviewed in Mexico on December 27, 2023Size: LargeProduct Packaging: Standard PackagingVerified Purchase
Tim
Good product
Reviewed in Belgium on April 28, 2024Size: LargeProduct Packaging: Standard PackagingVerified Purchase
Lello
Ottima vasca per avannotti
Reviewed in Italy on January 27, 2024Size: LargeProduct Packaging: Standard PackagingVerified Purchase
Dieter Roth
Babystube
Reviewed in Germany on January 24, 2024Size: MediumProduct Packaging: Standard PackagingVerified Purchase
