After spending countless days and hours on reef central and seeing all those beautiful sps tanks I'm looking to go SPS. My Tank now is 75g Ligthing is 330w \ VHO and 130w\ PC lookin to go to175 MH(2) ank keep th VHOs .My skimmer is a Red Sea burlin to be switched to a tunzi. Add a refugium to the sump 29g. Tank has been running for 20 months. Ammo=0, Nitrite=0,Nitrate between 5 & 10,PH =8.1-8.3, Phosphates=0, Salt=1.025, Cal=420 , Alk 3.0.My tank has Two clams, A few button colonies , some green star polyps and it is bombbarded with mushrooms everywhere some red but mostly green stripe. What is the best way to convert over to SPS . Will the mushrooms and button polyps get fried from MH or would I have to put them into a different tank and start over. Sorry I dont have pictures .Im having a problem trying to upload them .Even after reading books, threads, im still having problems. When I get it I will post them.Sorry for a long thread , it's my first.