unidentified creaters in tank

[davelin315]

Probably copepods.

 

[kristofer1]

if it is copepods, they are good.... can you give your tank and water info... that would help us get to the cause of it

 

[meandmyfish1]

ok here goes i lost all of my fish in three days to something, well after a week of having a dead tank i turned on the light and to my amazment, thousands of very tiny white things were swinging around, i want to restart my tank, i have a feeling this is what did this tank in, want to know what it is and how do i get rid of it
thanks for any help you can give!