1 points | by doener 8 hours ago ago
1 comments
Is there a technical explanation? The video talks about disolved calcium carbonate / lime stones that is precipitated naturally by plants or bacteria (they are not sure), but it does not explains what they do.
Is there a technical explanation? The video talks about disolved calcium carbonate / lime stones that is precipitated naturally by plants or bacteria (they are not sure), but it does not explains what they do.