Help! Looking For Alot Of Stuff For 90 Gal Reef Tank

im looking to convert my 90gal freshwater to a saltwater reef tank... i need a good light source 50-100lbs live rock, good protein skimmer , 2 power heads, and more.. if anyone has any extra stuff to sell off that is good quality and good condition please let me know. it will help me greatly in my quest to start up this awsome hobby. anything will help, even tips and suggestions on namebrands, models , good equiptment etc.... pm me please!