need to get some info about this? how to care for?

Can someone please tell me how to care for this item, what do they eat? where should it be placed? i’ve noticed recently that the yellow heads are always hiding and doesn’t seem to be coming out lately. i have a 72gallon tank, berlin skimmer, phosban carbon reactor, a sump, 100lbs of live rocks...

some problems with acropora

I have different stonecorals like acropora , stylopora, goniopora, caulastrea…all doing well exept de acropora’s especial the light blue topped ones….. what can be the course of that? all the watervalues are right…. KH 8 PH 8,3 salitinity 1,025 Temp:26°C calcium 450 Magnesium...

marine snow

is marine snow or zooplex or photoplex needed and if so what are they good for View original post here:  marine snow

marine snow

is marine snow or zooplex or photoplex needed and if so what are they good for Go here to see the original:  marine snow

marine snow

is marine snow or zooplex or photoplex needed and if so what are they good for More here: marine snow

marine snow

is marine snow or zooplex or photoplex needed and if so what are they good for Read more: marine snow