Been trying to search the best ways to grow coraline (sp?) on my rocks.. Any suggestions? I've read Kalk is the best additive.. Is this correct?
What about the "gels" that you smear on the rocks.. can't remember the namebrand..
How important is lighting? I'm guessing very..
rc
What about the "gels" that you smear on the rocks.. can't remember the namebrand..
How important is lighting? I'm guessing very..
rc