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  1. darren_sfsu
    Post

    is it possible to supersaturate with oxygen?

    "Have you tried installing baffles" Not sure if the Picasa link worked, but you will see in Pic 3, the drain from the skimmer flows into a 200...
    Post by: darren_sfsu, Aug 21, 2010 in forum: Water Chemistry
  2. darren_sfsu
    Post

    is it possible to supersaturate with oxygen?

    Just received this quote from a friend: Seawater can be especially problematic for gas super saturation (dissolved N2 is worse than O2) and...
    Post by: darren_sfsu, Aug 21, 2010 in forum: Water Chemistry
  3. darren_sfsu
    Post

    is it possible to supersaturate with oxygen?

    LOL! I wasn't intoxicated but i had a lot going through mind and i wanted to ask a question with as few details as possible. thanks for taking time...
    Post by: darren_sfsu, Aug 21, 2010 in forum: Water Chemistry
  4. darren_sfsu
    Thread

    is it possible to supersaturate with oxygen?

    1. is it possible, with multiple pumps and a big protein skimmer, to supersaturate a 2,000gallon cold-water (54F) aquarium? 2. Can you measure...
    Thread by: darren_sfsu, Aug 20, 2010, 10 replies, in forum: Water Chemistry
  5. darren_sfsu
    Post

    RO/DI water

    thanks!
    Post by: darren_sfsu, Aug 2, 2010 in forum: New To The Hobby
  6. darren_sfsu
    Post

    RO/DI water

    cool, thanks for the replies. Of course now, do i need to supplement the KH and GH to my desired levels? I am hoping a simple solution of baking...
    Post by: darren_sfsu, Aug 1, 2010 in forum: New To The Hobby
  7. darren_sfsu
    Thread

    RO/DI water

    In general (that is, with a new RO/DI filters) what does RODI water test like? Is GH and KH quite low? I have this vision that its pure H2O with no...
    Thread by: darren_sfsu, Aug 1, 2010, 6 replies, in forum: New To The Hobby
  8. darren_sfsu
    Post

    GPH, PSI, RPM, head pressure - HELP!

    Your right!! It came to me this morning lying in bed. I get all your math and will post my new pump curve shoretly. Whew. I like Dolphin pumps...
    Post by: darren_sfsu, Feb 5, 2010 in forum: Protein Skimmers
  9. darren_sfsu
    Post

    GPH, PSI, RPM, head pressure - HELP!

    yes. I was told i needed a 3/4HP, 3400 RPM (that pumps 8,000 GPH) and to throttle the flow by a quarter (to get to 2500GPH) with a ball valve....
    Post by: darren_sfsu, Feb 4, 2010 in forum: Protein Skimmers
  10. darren_sfsu
    Post

    GPH, PSI, RPM, head pressure - HELP!

    Powerman - thanks for the lengthy reply, and while at this point (1030 PST) i cant comment, i promise to re-read your post until i understand!...
    Post by: darren_sfsu, Feb 1, 2010 in forum: Protein Skimmers
  11. darren_sfsu
    Post

    GPH, PSI, RPM, head pressure - HELP!

    sorry to respond so late, got real busy...and now its late so my follow up message will be equally unclear. sigh. first off, i need a new pump for...
    Post by: darren_sfsu, Jan 31, 2010 in forum: Protein Skimmers
  12. darren_sfsu
    Thread

    GPH, PSI, RPM, head pressure - HELP!

    What specs of an external chiller in terms of HP and RPM will achieve 10PSI in a 1.5in pipe, with 7ft of head pressure? Hint: 3/4 HP, High Pressure...
    Thread by: darren_sfsu, Jan 29, 2010, 10 replies, in forum: Protein Skimmers
  13. darren_sfsu
    Thread

    DIY f/2 Guillard's media for phyto culture.

    I used to buy it on Ebay for really cheap, but the guy quit making it. I know the freshwater plant group makes their own 'plant food', but was...
    Thread by: darren_sfsu, Sep 15, 2009, 1 replies, in forum: General Reef Topics
  14. darren_sfsu
    Post

    Glass Corner Joining: Proper Detail?

    have you decided on what compound you will use to join the glass? Been learning a lot (mostly the hard way) on the destructiveness of seawater...
    Post by: darren_sfsu, Jun 29, 2008 in forum: New To The Hobby
  15. darren_sfsu
    Thread

    attn CA shoppers - favorite out of state online vendor?

    Any recs on online fish stores (for equipment only) that have good prices, little shipping costs, and, out of state (wink, wink, nod, nod). thanks!
    Thread by: darren_sfsu, Jun 29, 2008, 2 replies, in forum: New To The Hobby
  16. darren_sfsu
    Post

    how to mix 5gallons of kalkwasser?

    1.fill 5 gallon bucket full of cold, DI water (i have it on tap) 2. add ~10 Tablespoons of kalk 3. mix slowly with a big wooden spoon that's it?...
    Post by: darren_sfsu, Apr 8, 2008 in forum: Fish Tank Brands and Kits
  17. darren_sfsu
    Post

    how to mix 5gallons of kalkwasser?

    hi tangster - I read that he saturation point of calcium hydroxide in 1gal of water is ~2 teaspoons which puts your recipe quite liberal, then again,...
    Post by: darren_sfsu, Apr 5, 2008 in forum: Fish Tank Brands and Kits
  18. darren_sfsu
    Post

    Raising PH with raising Akalinity?

    ---But to jack the P.H up and not effect the DKH not as much just get some Arm and hammer washing soda this will raise the Ph and less effect on the...
    Post by: darren_sfsu, Apr 5, 2008 in forum: Water Chemistry
  19. darren_sfsu
    Thread

    how to mix 5gallons of kalkwasser?

    literally- how do you physically mix mrs wages and water? do people just use a spatula and stir, or a power head (air is a big no-no) for several...
    Thread by: darren_sfsu, Apr 5, 2008, 10 replies, in forum: Fish Tank Brands and Kits
  20. darren_sfsu
    Post

    Vinegar for cleaning equipment?

    How often do pumps and power heads need to be cleaned from the use of kalkwasser?? Weeks or Months? Thanks, Darren
    Post by: darren_sfsu, Mar 14, 2008 in forum: Filters, Pumps, etc..
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