01-18-2012, 10:01 AM
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Originally Posted by Tazman
Many people prefer the flow of filter to provide surface agitation for oxygen exchange.
There is no harm in having one, personal choice.
With regards to it helping to produce fry, that would be more based on the environment the fish are in, ie : as close as possible to natural. The condition of water, if kept clean and to the fishes liking will play a big part in breeding.
If you are planning on breeding then it is a good idea to have a small tank standing by with a sponge filter already cycled. This can be done in a number of ways, many people will cycle it in the main tank for 3+ weeks, and then use it in the fry tank, then once the fry are large enough to go into a larger tank or the main display tank then the filter can be kept "active" by placing it back in the main tank somewhere out of site.
Your stocking suggestion is about right for the tank. You will definitely not be able to keep lake Malawi in that size tank unless the fish are really small.
Actually, I've already got a 6 month old sponge filter in my 55 gallon (which also has a Aquaclear filter rated for 50 gallons). I guess I'll pop it into the 29 gallon. Will it be sufficient filtration if that is the only filter I have in the 29 gallon? I realize that it depends on the number of fish...right now I just want a pair of Kribs and 9 cherry barbs...mebbe 3 otos after the green algae starts to grow.
I think I'll have Brichardis in a bigger tank in the future.