A Qestion On A Skimmer

[black molly3]

i have a 6 gal nano with pleanty of live rock in an a tmc baby tank bread clown fish. the question is will i need a skimmer. what do they do and if i get a skimmer would i need a sump. im quite new to marine and by reading most peoples post i can see that most people have sumps and their tank looks great. also how much is i for like the smallest one as my tank is a 6gal nano
thanks

 

[SkiFletch]

no skimmer required. Water changes will suffice for you

 

[JaminRat]

As Ski said you shouldn't need one but 6 gal is small for a clown not so much in volume but in space for him to swim.