01-28-2014, 06:39 AM
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As I understand it, the bacteria doesn't effect the KH. What it does do is produce lots of H+ ions which acidifies the water, lowering the pH. More and faster if the KH buffer is low, like yours is, Carlos. Go back and read what Rickey had to say about this. I'm going to in a while.
I thought you put some calcium things in your filter, coral or Cuttle-bone or dried eggshell to slowly raise your KH. When did you do that last? I know you don't want to keep dosing a pinch of baking soda every other day.
Just to confuse everybody on this thread, as well as myself. A 6.0 - 6.4pH is really nice for Betta. There are keepers on here, many of them breeders, who have naturally low pH and prefer it. It's really better for soft-water fish like Betta, Tetra, Gourami and other jungle fish whose water has very low mineral content and lots of rotting vegetation..
The only downside I see to using soft water and low pH, is in the unlikely event that you cause the pH to spike by putting in water with a much higher pH, during a water change for example. This causes any ammonium to instantly revert to ammonia, which can be hazardous.
See LittleBettaFish's Wild Betta Journal. She talks about having near 0.0KH and still using IAL to keep her pH low, around 6.0pH.
Last edited by Hallyx; 01-28-2014 at 06:49 AM..