03-04-2012, 07:54 PM
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Originally Posted by 29Kilo29
I can't get the parameters right now, will have them tomorrow.
I was considering aragonite...That will raise Ph, GH and KH?
I currently have just gravel.... how difficult would it be to change the substrate in an established tank with 15+ fish?
Yes on the aragonite; I use CarribSea's crushed coral with aragonite gravel, in your situation maybe half to a cup in a mesh bag in the filter.
You could change out the substrate to a sand, very authentic, and it would raise GH and pH obviously. I prefer removing the fish to a temp tank when I change substrates, then Ihave a free hand. But it can be done with fish in.
We can go into any of this when we have the numbers.