The link is to a video of a guy making a background. You don't need to watch it if you'd rather not.
My question is that this guy is using cement and concrete on foam. This can't be safe for a reef tank can it?
Thanks
https://www.youtube.com/watch?v=cOb4uLQz-Dk
My question is that this guy is using cement and concrete on foam. This can't be safe for a reef tank can it?
Thanks
https://www.youtube.com/watch?v=cOb4uLQz-Dk