Herbie
Banned
I thought this was worth sharing:
http://1reef.com/forums/showthread.php?576-DYI-frag-disks
http://1reef.com/forums/showthread.php?576-DYI-frag-disks
make a trough of wet sand and then use a frag plug to make holes in it. pour in the mix in a thinner consistency. basically sand-casting them.