tks 13

Was there tis afternoon,still alot to choose.

Thank you for your reply,hw abt putting tis dead rock in the sump?will it be back to live and hv bacteria and corline algea?

Thank you for your precious advice,i hope to establish colonies of bacterias and hv Coraline algae. can i just wash rock and sand with tap water and air them for at least 1wk???

Hi all,need some precious advice frm Bros and Sis here. 1)will be getting some half dead life rock frm fellow reefer,my tank will be in only july.As of nw must i totally expose my rock to sun light to let it totally die off?must i wash with tap water before putting under sun?if no direct sun ok?can i just air it cos im afraid no direct sun?can it still be alive? 2)i intent to put life rock in my sump,can i put the dead rock there?will it be alive again? 3)i hv some remaining sand frm my old tank(abt 6mth no used)can i wash with tap water and air it then use in my main tank?