• Ryan1989

Elijah7048

marble chips, a piece of shell rock or sandstone, shells... choose

Shelby3182

Calcium chloride.

David2398

And how to lift it up?

Debra6575

calcium reactor, right? there's also a discussion here click

Ronald5720

You add the crumbs to the soil, place the stones as decor, and just toss in the shells... gradually, calcium is released into the water. Exactly, or eat all of it.