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water circulation

  1. General Reef Discussion
    I have a 46 gallon bowfront FOWLR tank (currently just crabs, snails, and a pincushion urchin). Setup includes a Reef Octopus HOB protein skimmer, live rock, a Fluval 304 canister filter for flow (no media, just carbon & live rock rubble), and a Koralia 750 gph. No matter which way I aim the...
  2. General Reef Discussion
    I have a 29 gallon reef display which I am setting up. 24LX20HX15W bowfront. I have already purchase 680 GPH water circulation pump from Koralia Hydor. I do need one more like 425 GPH for may tank, or its enough? Planning to keep 4 fished with soft corals and LPS. Thanks,
  3. General Reef Discussion
    Okay, let me first say that I am entering a new arena of fishkeeping with sumps. With the surface water entering the overflow, and the returned water entering the top of the aquarium too, I assume that some means of water circulation for the middle and bottom of the tank is crucial for tank...
  4. General Reef Discussion
    My tank has been a little cloudy lately. I turned of my water pump, and after about 20 minutes, everything cleared up. I turned my pump back on and everything was pushed around again. What can I do about this? Is my pump too strong for a 55gal? Its 1,321 gal/hr pump.
  5. General Reef Discussion
    Quick question on Water circulation. I have done a couple of searches and haven't found what I'm looking for in the threads. What if any is the best positioning of the circulation. I have a 180g It has the standard all-glass overflows with the duel outputs on each side, and I got two Koralia 1's...
  6. General Reef Discussion
    :help: I have a Juwel 260 marine tank(corals plus livestock). Current circulation is provided by maxi-jet mp 600, tetratec cannister filter and built-in juwel filter, i am lookin to add a koralia 2 pump - any thoughts please !!!!!!!!!!:eek:
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