GuppiCO₂ from pH and KH
Dissolved CO2 in a planted aquarium from pH and KH (carbonate hardness), with the target range of 15–30 ppm.
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The pH/KH/CO₂ table
| KH \ pH | 6.4 | 6.6 | 6.8 | 7 | 7.2 |
|---|---|---|---|---|---|
| 1 dKH | 12 | 8 | 5 | 3 | 2 |
| 2 dKH | 24 | 15 | 10 | 6 | 4 |
| 3 dKH | 36 | 23 | 14 | 9 | 6 |
| 4 dKH | 48 | 30 | 19 | 12 | 8 |
| 5 dKH | 60 | 38 | 24 | 15 | 9 |
| 6 dKH | 72 | 45 | 29 | 18 | 11 |
| 8 dKH | 96 | 60 | 38 | 24 | 15 |
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