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Search: Keyword(s): ; Posts Made By: Cardinals
Forum: DIY   09-01-2009, 12:33 AM
Replies: 13
Views: 1,746
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, 09:16 AM
Replies: 55
Views: 56,246
Posted By Cardinals
Question 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, 06:35 AM
Replies: 55
Views: 56,246
Posted By Cardinals
Question 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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