Saw this internal water pump with magnet holder. Is this suitable if I just want to create water flow from one end of my 4 ft tank to the other end?
http://www.reefdepot.com.sg/AddProduct.asp?ProdID=1002
Tunze TurbelleŽ Nanostream 6025
For aquariums from 40 to 200 litres (11 to 53 USgal.)
Flow rate: 2,500 l/h (660 US gal./h)
Or this: http://www.thehiddenreef.com/istar.a...21005485!THR01
Will be getting a HYDOR Koralia k1 to try out...
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