Having great looking SPS is a long waiting game,small changes can sometimes take weeks if not months to reflect on the SPS' color and PE,i am learning that,i recently purchased 25 frags 12 ORA,13 ''named SPS'',most of the ORA's are beutiful,the rest have lost color/browned out,great PE,no color tho.I am dosing Vodka,AA,and doing a 10% weekly water change,i have excellent flow(MP20&a K2),so it's now a matter of time.My advice is to feed a little extra daily,continue religious water changes and just wait.