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  1. QADoug

    How'd you find us?

    Ditto on MOJO lead me this way. Thanks, Mike. Doug
  2. QADoug

    Denitrification

    denitrification Krish75 asked about lighting in the sump. Does LR need a light source to work? Also, as the overflow water drops and hits inside the sump, it is loaded with oxygen. Does this affect the LR's ability for denitrification? Thanks,
  3. QADoug

    RODI operation

    I have just set up a new RODI system and have 2 questions. See the attached picture: 1. What is the blue shut off valve used for that is between the carbon filter canister and the RO canister? Seems to me that if I turn that valve off the flow through the system would be turned off. 2. To...
  4. QADoug

    Salt Water question

    What is a TDS meter? Also, how do you measure phosphate and silica levels in saltwater? Thanks, Doug
  5. QADoug

    Salt Water question

    I have been looking at RO/DI systems to help eliminate some of the algae problems I am having. It will cost about $200 for the system I want. I currently have a FO system. My financial manager (wife) asked me why I don't just go down to the Seattle Aquarium and buy sea water. $200 would...
  6. QADoug

    doing water change with canister filter how u do it

    Supamarine You better give us a little more info on what you are trying to do here. Cleaning the canister filter is a different step than doing water changes. For a water change, mix your salt water in a separate plastic barrel according to the manufacturer's directions. Test it for specific...
  7. QADoug

    ISO 125g acryclic tank around Seattle

    skrezyna, Another good lfs south is http://www.thewildsidepetswa.com/index.html She has a bunch of large tanks ready to go. Doug
  8. QADoug

    HELP! Bristleworms are taking over....

    FishPainter, Any possibility you could put a picture of the bristleworms on the forum so I could see what they look like? thanks, Doug
  9. QADoug

    ID a Live Rock

    Yes, the tube things are crusty, like calcium deposits, but they are very fine. About the size of 0.5 mm lead, real thin, so I don't think they are feather dusters. They do grow a little bit every couple of days. That is what started to concern me. I have been watching my KH go from 10 on...
  10. QADoug

    ID a Live Rock

    I bought Live Rock a few weeks ago and it included the rock pictured below. The second picture is a close up. Any ideas of what the rock is and what the white stuff is? Is it a good thing or a bad thing? I have had it in the tank for about 2 weeks now. The cycling appears normal. Thanks for...
  11. QADoug

    Starfish for a newbie

    Thanks for the input. I have checked out several web sites. It does look like the Asterina gibbosa. Same shape. The colors are different on all the web sites but the one Plack sent me. Colors vary widely. Check out http://www.glaucus.org.uk/cushion.htm, they said "hatching rate of Asterina...
  12. QADoug

    Starfish for a newbie

    Is it common for starfish to come in on live rock? I found several on a piece of tonga live rock in my tank, they are about 4 to 5mm across, see the attached picture. I don't see any pictures on Reef Frontiers that look familiar. I have a 55 gal tank that is new. I set it up about 3 weeks ago...
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