protien skimmer?

[kyle10]

what exactly does a protien skimmer do?
what happens if u dont use one?
does it effect amm. nitrites nitrates?
thanks

 

[kyle10]

^^^

 

[rbmount]

It basically removes the crap out of the water by attaching it to the tiny bubbles in the chamber and depositing it in the collection cup. A definate need to have in a tank.