Home | About Us | Contact Us

Koi Forum - Koi-Bito Magazine straight from Japan
Results 1 to 5 of 5

Thread: O2 saturation question

  1. #1

    O2 saturation question

    I am having a hard time understanding or converting mg/l to % saturation for O2. I have been measuring between 8-8.8 mg/l for the O2 in my Q tank that is 440' ASL with water temp at 70 degrees. I can not find the formula or an online calculator for converting this to % concentration. I do not know what the top level is before it reaches a super saturation solution. Is there room for improvement or am I about maxed out as to what the water is able to carry at this temperature?


  2. #2
    Hi Lester,

    I found some Sites about that in German.

    70 degrees, I think that is Fahrenheit are 21 Celsius.

    The saturation of 100% at 21C/70F are at 8,68mg/l.

    So you are around the 100%.

    8 mg/l are 92,17%

    8,8 mg/l are 101,38%

    If you and/or the other users are interessted, I try to post a table abot the temperature and the satutation.

    Regards Nico

  3. #3
    There is a table of all O2 saturation grades from 0C/32F to 40C/104F.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

Name:	O2 Saturation.JPG 
Views:	160 
Size:	76.8 KB 
ID:	206  

  4. #4
    Oyagoi bekko's Avatar
    Join Date
    Sep 2004
    There will be a correction factor of several percent for altitude as well.



  5. #5
    Thanks KSL and Bekko that is what I was looking for I am trying to dial in my TT to conserve heat and do not want to drop the saturation to low.


Similar Threads

  1. Replies: 37
    Last Post: 07-28-2016, 11:29 PM
  2. what is oxygen 'at saturation' mean to a koi?
    By JasPR in forum Main Forum
    Replies: 21
    Last Post: 06-09-2014, 11:06 PM
  3. To UV or not UV, that is my question
    By Loco4Koi in forum Main Forum
    Replies: 25
    Last Post: 05-16-2014, 06:12 PM
  4. Ph question
    By tranquility in forum Main Forum
    Replies: 6
    Last Post: 07-30-2011, 08:41 AM
  5. i have a question....
    By powerman in forum Main Forum
    Replies: 5
    Last Post: 04-16-2007, 09:04 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
Articles - Sitemap - FAQs and Rules

KB Footer Graphic
Straight from Japan... For the serious hobbyist!
All content and images copyright of: Koi-bito.com