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Forum: DIY

08-31-2009, 11:33 PM

Replies: 13

Drop Checker Reference Solution

Views: 1,184

Posted By Cardinals

Seachem acid and alkaline buffers

I know this is last years thread but...
I'm in the middle of a thread on the seachem sunken garden forum about these "buffers". The thrust of my argument is that they can't work at acidic pH because...

Forum: The Planted Tank FAQ

08-31-2009, 08:16 AM

Replies: 47

CO2 Chart

Views: 33,291

Posted By Cardinals

If I've looked at the chart right, pH 6.6 dKH 6.5...

If I've looked at the chart right, pH 6.6 dKH 6.5 equals 49ppm CO2?
Doesn't a "drop checker" actually measure the pH (using bromothymol blue), not CO2. CO2 is then deduced from the chart according...

Forum: The Planted Tank FAQ

08-31-2009, 05:35 AM

Replies: 47

CO2 Chart

Views: 33,291

Posted By Cardinals

pH vs KH

Is it possible to have an planted tank pH 7 @ 6dKH without supplemental CO2 or non carbonate buffers (e.g. phosphates)? According to the chart CO2 would be ~18ppm, well above normal equilibrium...

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