Thread: dolphin c-700
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Old 22-07-2004, 04:51 AM   #3
rayong@mac.com
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I have the C700. Its a good filter for my tank, a 2.5 footer. I don't think its adequate for a 4 x 2 x 2. It is rated at 700 L/H. Whereas your tank is about 432 litres. You need 3 x filtration per hour. Hence something like a 1200 L/H or higher filter.

However, you requested what media to put in. I have coarse sponge and on top of that fine wool hence making the bottom tray the mechanical filter. In 2nd tray on top of that sintered glass rings, its like ceramic rings but made of sintered glass. On top of that on the last 1 cm or so another layer of fine foam.

The fine foam is made by Sera. I put the coarse sponge and fine wool in bottom try to filter as much of particulate matter in order to not clog up the pores in the sintered glass.

Don't recommend charcoal either cos it needs to be removed after 1 month. Plan on cleaning the filter only once ever 2 or 3 months.
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