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#16
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non-phosphate buffers?
"Pittie" wrote in message
... Thanks for your help. You are right that I dont want to mess with CO2. Did it before with yeast and worked well but was a pain. Pressurized cylinders too much cash and effort also. You did hit the nail with the stability of a purely bicarbonate buffer. It raises the pH too high if I add enough but at low concentrations its not an effective buffer. I will keep looking for a non phos. buffer and let everyone know if I have any luck. Thanks, John Seachem makes a variety of buffers. My LFS carries them and it's a pretty small store. You might check the Seachem site to see if there's enough information there for you to decide whether to try them. http://www.seachem.com/seachemframeset.html I'm debating buying the alkaline buffer since my pH keeps getting quite low (even 6.0 in one tank, but partial water changes raised it back up), with low kH (2!), but as yet I haven't made the attempt. Wimp that I am. Gail |
#17
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non-phosphate buffers?
"Pittie" wrote in message
... Thanks for your help. You are right that I dont want to mess with CO2. Did it before with yeast and worked well but was a pain. Pressurized cylinders too much cash and effort also. You did hit the nail with the stability of a purely bicarbonate buffer. It raises the pH too high if I add enough but at low concentrations its not an effective buffer. I will keep looking for a non phos. buffer and let everyone know if I have any luck. Thanks, John Seachem makes a variety of buffers. My LFS carries them and it's a pretty small store. You might check the Seachem site to see if there's enough information there for you to decide whether to try them. http://www.seachem.com/seachemframeset.html I'm debating buying the alkaline buffer since my pH keeps getting quite low (even 6.0 in one tank, but partial water changes raised it back up), with low kH (2!), but as yet I haven't made the attempt. Wimp that I am. Gail |
#18
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non-phosphate buffers?
"Pittie" wrote in message
... Thanks for your help. You are right that I dont want to mess with CO2. Did it before with yeast and worked well but was a pain. Pressurized cylinders too much cash and effort also. You did hit the nail with the stability of a purely bicarbonate buffer. It raises the pH too high if I add enough but at low concentrations its not an effective buffer. I will keep looking for a non phos. buffer and let everyone know if I have any luck. Thanks, John Seachem makes a variety of buffers. My LFS carries them and it's a pretty small store. You might check the Seachem site to see if there's enough information there for you to decide whether to try them. http://www.seachem.com/seachemframeset.html I'm debating buying the alkaline buffer since my pH keeps getting quite low (even 6.0 in one tank, but partial water changes raised it back up), with low kH (2!), but as yet I haven't made the attempt. Wimp that I am. Gail |
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