I personally prefer Amazonia I and not II.
The "downside" (more like something you have to be aware of) is that Amazonia will release ammonia into the water column for a few weeks.
I don't use Power Sand with Amazonia; some people do, but most use the Amazonia alone, I believe.
The "downside" (more like something you have to be aware of) is that Amazonia will release ammonia into the water column for a few weeks.
I don't use Power Sand with Amazonia; some people do, but most use the Amazonia alone, I believe.