Marine Chiller..

[Joop]

What is the various sizes of Marine chillers out in the market now??

I am currently setting up a new 3FT sump tank Marine Tank but do i really need a chiller to make go smoothly?? And if yes..what size should i be looking for???

So what is the brands and prices should a newbie like me to starts out with and looking for???

And where can i get the chiillers at a good prices also??

Thanks & Cheers