What type is this

[Jayinked]

Just got from father in law who passed. Dont know what it is. Know I need to upgrade my lights not as green as it was in his nano tank. Thanks any info will help

 

[the_fish_man]

It is GSP if it was green in his tank

 

[Jayinked]

yes it was lot greener on the tips. how much light is need for these guys? I have a fish only with live rock tank. this is first coral I have ever had in the tank.