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GH KH which one more important?
Is there a way to increase KH without increasing pH?
Add calcium carbonate, and inject CO2. :-) I have soft water (tap seems to vary between GH/KH=2 and GH/KH=3), but they add something in the water to make the pH very high (fresh out of tap is close to 8.0). Is that the real pH, though? Often, the pH out of the tap is not the real pH of the water. The water may have extra CO2 in it, or be CO2-depleted. You should leave it in a bucket overnight, then measure the pH. Or aerate a cup of water for 20 minutes, then measure the pH. That will give you the real pH of the your water. Leigh http://www.fortunecity.com/lavender/halloween/881/ |
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