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Old 04-14-2013, 04:07 AM
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Quote:
Originally Posted by paddyob View Post
It's for my breeding project. No sump. Each compartment will have an Aqua Clear 30. It will keep the tanks isolated from each other.

So mechanical filtration, Yes.

Is it ok to leave rocks in a breeding system?
Like I answered in your PM, you need some sort of biological media, be it live rock, live sand, bioballs, sponges...something. Otherwise there is not enough area for nitrifying bacteria to colonize to be able to keep up with the ammonia output from the fish and food waste.

Live rock in a Clownfish breeding system? Some people do, many people don't. Generally cost is a limiting factor. I wouldn't use sand though because that just gets in the way of bottom siphoning detritus and food waste. You will be feeding them much more than you would reef fish, and 20-40 ppm nitrate will become the new "clean".
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