How long does it take...

[airtime23]

for zo's to "multiply" or spread on a piece of LR (assuming optimal water quality/conditions)?

[RevHtree]

Well it will vary depending on conditions and type of zoa/paly you have. I have had them grow a few polyps a week and on the other end not grow a polyp in months.

Some grow really fast and others very slow.

[edwing206]

What kinda ligting do you have?

[oldschool reef]

cheep zoas grow much faster than high $$ ones atleast in my tank.

[ecotoxlady]

<a href=showthread.php?s=&postid=9548841#post9548841 target=_blank>Originally posted</a> by oldschool reef
cheep zoas grow much faster than high $$ ones atleast in my tank.
:lol: Isn't that always the case :)