The Planted Tank Forum banner
1 - 1 of 1 Posts

·
Registered
Joined
·
21,009 Posts
Does that tank have any big rocks in it, or gravel that you haven't tested with acid? Many rocks have a lot of calcium carbonate in them, which slowly dissolves, increasing the hardness, and thus the pH.
 
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top