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Hello all, new to the forum but not to fish keeping. I am setting up my first cichlid tank, a 75 gallon. I have my 300 watt heater, pool filter sand and granite boulders, 2x4 and plywood stand built, Current Satelite 48" light, and a cozy corner in the office to put it in. All ready to start cycling, but 2 questions remain.

1) is my fish selection appropriate? I have 24 demasoni's on the way. They will be here in 2-3 weeks as the supplier is severely backordered, so I do have time to add/switch out fish if needed. Is this a good amount to start the tank? If I wanted to add some electric yellows later, would I be able to safely add 12 or so? All fish are juveniles 2" or less.

2) is my filter correct? I have a fluval 407 ready to go that my friend at the fish store insists is good enough, but I've read an fx4 would be better for an overstocked mbuna tank. I haven't opened the box yet, so if needed I could exchange it tomorrow before I start cycling the tank.

A preemptive thank you for your input and advice. Excited to be here!
 

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Welcome to Cichlid-forum!

For demasoni and labs in a 75G you want to end up with 15 and 5 after removing extra males.

For labs and demasoni they can and will spawn at 1.5" so really they are mature at 2".

I like my filter to turn over the water 8X to 10X.
 

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I have a Fluval 407 in my 75 gallons with 22 fish, still young but growing well.

I added a Hydor Koralia 1350 3rd gen to move detritus toward the Marineland filter (see below), since I have so much rocks it's impossible to do a correct vaccum job. I will be adding a second Koralia 1350 on the opposite side, to move the detritus towards the Fluval inlet, as there are still dead zones.

I also have a Marineland Maxi-jet 1200 (1200 gallons per hour) coupled with a quick connect filter and used with the venturi to provide more surface agitation and water flow and help filter more efficiently. This power head has made a major difference in the tank as there is no more visible poop in the water column. The only poop remaining is a little bit in dead zones and the second Koralia should take care of that.

My fish are still young though and if needs be, I won't hesitate to go with a Fluval FX4. There isn't a big difference between the FX4 and the FX6 and the FX6 is a beast, very heavy and also a lot noisier than the FX4.
 

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I actually prefer 2 smaller canisters as opposed to one big one. FWIW.
 

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Discussion Starter · #5 ·
Thanks for the input everyone. I think I'm leaning towards getting the tank cycled with the 407 and adding a second filter down the road when the fish start growing/when I add some electric yellows.
 

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Idech said:
...There isn't a big difference between the FX4 and the FX6 and the FX6 is a beast, very heavy and also a lot noisier than the FX4...
That's not been my experience. I have several FX-6's and they are easily as quiet as the FX-4. For the difference in price, I'd go with an FX-6 every time, but I admit it might be overkill for a 75. :)
 

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DJRansome said:
I actually prefer 2 smaller canisters as opposed to one big one. FWIW.
2 bigger canister is even better, that way when the inevitable bigger tank happens you are good to go.
 
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