Originally Posted by rejohnson53
I was wondering if limestone could be used in a betta's tank to regulate pH. I know that limestone acts like a buffer, keeping pH at nearly neutral, in natural aquatic environments where limestone is the principle substrate. I'm just not sure how it would affect other aspects of water chemistry. Does anyone have any experience with this?
Sorry to be the one to say this.
pH should never ever be messed with..
Fish can adjust to pH , However if its constantly changing it will send the fish into shock and kill it.