I say just leave it in there,i really don't thing that it's
goin to hurt anything,besides if it makes it sponges
are a good thing to have.They are hard to keep alive
they seem to prefer a low lighted area,with a strong
amountof current.Also i really don't thing that water
changes is a good idea turing the cycle,just let it all
happen,there is one very big thing that we all have
to have in this hobby,and that is alot of patience,well
maybe two things the other being the money it takes
to keep it all going,but it's so worth it.