I am thinking to upgrate to LED's i been reading a lot about it, been serching and educating my self enough to start the change. but before i do I will like to get some advice from the people that have done this sucesfully with sps wich is what I mostly keep now, I Know a few of people that have change to LED's and all of them corals bliched out or suffer for a while and i don't what to deal with this issue after keeping a nice thank like mine. Tank profile: 120g (48"X24"X24") 40g sump/fuge ETSS 600 Skimmer Mag 24 Conected to my return and two 150 Phosban reactors for Phosphates and carbon Water Flow by two MP40ES and Two Koralia EVO 1400 Water Parameters: Two Part Cal/ALK Cal 465 Alk 12 Mag 1325 Nitrate 0 Phosphate 0.01 Curentlly dosing vitamin C.... So now this ismy questions? 1) How many LED's do I need for my tank? 3) How to acclimate the corals to get used to the power of the LED's 4) Where to find all I need to do them my self with out breaking my wallet......."I am willing to pay any prize but if I can find some that do the samework for a better prize will be better. Help Please!!!!!!!