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Filtration ideas for 40 Gallon breeder tank

7 years 2 months ago #30913 by mikeg2929
4 foot tank gives more running room.  A 40br is only 3 feet long and often a mbuna will chase that distance.  The longer the tank, the more likely the victim can get away. 

12 demasoni in either seems a bit tight.  i would try 6 plus 6 lemon yellows / perlmutts / similar peaceful mbuna. 

Rock it up - caves and stacks of flat rocks will offer cover. 

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7 years 2 months ago - 7 years 2 months ago #30912 by excuzzzeme
I have never bred Demasoni but have bred Elec yellow labs (Labidochromis Caeruleus). I used 12 in a 55 with rockwork, even then there was aggression. I tried to make sure I had 1 "cave" for each fish. Although the wider footprint of a 40BR is nice, I think 6 would be better for that tank.

Perhaps a more experienced breeder could comment if 1 male + 3-5 female demasoni would work well in a 40 breeder?


Good choice

I filter the 55 with an Emperor 400

Good luck!

Fish? What are "Fish"?
Last edit: 7 years 2 months ago by .

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7 years 2 months ago #30910 by MbunaRob

Personally I don't think a 40br is quite big enough for a dozen demasoni permanently. A 55 would be better suited. ..(cut)
The group should be big enough just make sure you have plenty of rock work in the tank.


I can't give a experienced comment on the need of a 125g, 75g, 55g, vs. a 40B, but if given the choice between a 40 breeder or 55, I would prefer the 40B.  The 40B will give you a larger footprint at around 650 sq inches (18x36'') vs. around 575 sq inches (12x48'') in the 55, which will give you a larger floor space for more rock work. 

Perhaps a more experienced breeder could comment if 1 male + 3-5 female demasoni would work well in a 40 breeder?

As for filtration I like over filtrating like you proposed with a Aqua clear 70, but I also like adding a back up, perhaps by adding a 50 gallon rated HOB and perhaps another smaller HOB, or stick with the AC70 and add a small sponge filter.  This way if a power outage or piece of sand kills one HOB you have something else working in the tank until you can correct the problem.  This also will give you two filters with beneficial bacteria which will allow you to more freely rinse/clean at least one filter pad during water changes without potentially washing away all your best bio sources. 

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7 years 4 months ago #30575 by whetfish
A 40 breeder will be tight.  i bred demasoni in a 75g.  That was kinda small for my dozen.  The males will be absolutely brutal to one another. 

A method recommended to me in order to breed them and keep them "peacfully" was to put one male and pretty much as many females as you want in a 125g and then also stock a bunch* of 2" grow out mbuna targets in there.

*a bunch = 50+

Not checked for facts.

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7 years 4 months ago #30526 by dragonkeeper
Personally I don't think a 40br is quite big enough for a dozen demasoni permanently. A 55 would be better suited. As for filtration a good HOB or canister will work if this is the only tank you have.

The group should be big enough just make sure you have plenty of rock work in the tank.


DragonKeeper
~Retired President~

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7 years 4 months ago #30525 by a.wiatrowski
I plan to setup another tank.  40 gallon breeder with about a dozen demasoni.  I'm leaning towards a aqua clear power filter 70.  Will this be enough for the group?  Should I add a powerhead?  What would you do?

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