well my blue hippo tang is gone as well .. my clown fish ,bangay cardenal ,royal gramma ,and grrnn chromis looks ok .. my two cleaner shrimp and electric fire scalop .. as well as the corals snails and hermit crab are also ok .. hope those tangs and the solar wrasse is the only thing that was gone die .. .. well i didnt use any filter bag just my rwgular .. i put 15ml in a bottle and add ro water to driped on the over flow so it can presipitate and get on my floss filter bag and the skimmer that is right there thake care of the presipitate ( my gees .it didnt work as planed )
i do run skimmer 24,7 a reef dinamyc ins80 .. and i do water change every week a 10 to 15 gallons .. but for some reson my rock some times get that little green color .. i have no hair algae or cyano but dont like thise green spots on the rock