Best Way To Eliminate HUGE Hair Algae Problem And Coral Issues?

[rastaangel]

I cant remove my rocks as there epoxyed together to prevent another broke bottom.
My RO/DI system is all new.
I feed my fish with a dropper so nothing is wasted, any left overs are feed to my LPS. I rinse the food very well before its feed.
I reduced my light periods by 2 hrs yesterday.
I am starting to think that my skimmer isnt doing a good enough job any more, but I dont really have the cash flow to buy a new one