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pglenn 03-26-2013 02:28 AM

in-tank daphnia breeder
I am looking for ideas - either DIY or retail - for a self-sustaining daphnia breeder for in-tank. I would like to have the culture "spill-over" into the main tank in some way, either a cut portion at the top or a few tiny holes in the sides. I dont have room in back of my tank for a "proper" refugium and room inside the tank is limited (25g tall) to approx 8wx4hx3d

I was thinking of betta containers but what I have seen are too long and deep, and have slits on sides where all the daphnia would escape too soon and often


mistergreen 03-26-2013 02:45 AM

How would you feed the daphnia?

pglenn 03-26-2013 02:49 AM

thats a concern. dunno what I could give them that wouldnt leach out into the tank

steven p 03-26-2013 03:56 AM

Cyclops + moss = free tiny fish food forever.

mistergreen 03-26-2013 04:16 AM

in-tank daphnia breeder
Having daphnia in the tank is probably not a good idea. If you add excel or do a simple water change, it'll kill them off. They need old aged tank water.

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PICKLES 03-26-2013 04:00 PM


Originally Posted by steven p (Post 2942626)
Cyclops + moss = free tiny fish food forever.

Can you please elaborate?

mistergreen 03-26-2013 04:10 PM

You can raise them outside. If you have a backyard and a kiddy pool, raise them there. They won't make it in the heat of summer but somewhere around 68F-70F is perfect.

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