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 | KH and PH |
greenfootball  Fish Addict Posts: 613 Kudos: 360 Votes: 0 Registered: 23-Jul-2001   | my KH is about 120, is that high enough so my PH wont jump back and forth everytime i do water change? |
 Posted 26-Jan-2006 11:19 |      |
jake  Fish Addict Posts: 594 Kudos: 875 Votes: 2 Registered: 21-Mar-2004 | 120ppm kh = 6.7 degrees I would say yes, that's enough. |
| Posted 26-Jan-2006 11:19 | |
| greenfootball Fish Addict Posts: 613 Kudos: 360 Votes: 0 Registered: 23-Jul-2001 | ok cool. now... is that enough to prevent PH dropping when using co2?? |
| Posted 26-Jan-2006 11:19 | |
FRANK      Moderator Posts: 5108 Kudos: 5263 Votes: 1690 Registered: 28-Dec-2002  | Hi, Yes, the pH is fine. Now, you want to look at a chart such as this: http://www.sfbaaps.com/reference/table_01.shtml The idea is to have at least 15-19mg/l of CO2 saturation. So, you need to inject enough CO2 to drop the pH to the point where the KH and pH intersect within the accepted boundries. Frank  -->>> The Confidence of Amateurs, is the Envy of Professionals <<<-- |
| Posted 26-Jan-2006 11:19 | |
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