Safe way to have GSP?

[esb]

Is there a safe way to have GSP so that it doesn’t risk taking over the tank? My new tank is going to have a sand bottom and I’d love to have a small bit of GSP. Can I host some safely either on an island or perhaps on one of the walls? I don’t want to risk it taking over the tank, but could start with it in an isolated area.
I’m already planning a Zoa/Paly island and a torch island.

 

[Tired]

You can put it on an island, yes. It can't spread well over sandbed, so you can easily trim it back.

Putting it on a wall is an option, but you'd need to figure out a way to cut it back once it starts heading towards where you don't want it.

 

[SchrutesReefs]

What @Tired said. I have a 6” island that took a few months to be entirely covered by gsp. It has started branching out over the sand but it is going very slowly.

 

[genericfishname]

i have mine glued to my overflow

 

[Lbrdsoxfan]

Island or overflow is my choice. As everyone else said be aware when it takes off, it goes! That rock measures 6" +- across and about 4" deep. I pruned it as it was starting to grow on the sand

Around Sept 1st

Today

 

[mrpontiac80]

Back wall is what I did.