Jump to content

yet another DIY rock question


reef165

Recommended Posts

I think that is a general rule of thumb based on the surface area of the average rock. Rocks that are more dense will have less surface area (places for organisms to grow) and therefore it will take more weight and volume to get the same benefit.

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Loading...
×
×
  • Create New...