I like Deltec skimmers.

I've used MCE600 & AP600 before.

Both performed really well (I've currently got a MCE600)

Deltec Skimmers

But I'm planning a 120-150g tank and everyone I speak to around here seems to be recommending Bubble Kings (if you have the $$$ that is!)

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If i buy a skimmer it will be for a 70g not a sixty so i get better results.
I'll buy everything a size 2 big

I'd recommend going even further than a 70g rated skimmer for a 60g tank.

The Deltec MCE600 Skimmer I was running in my 60g was rated for 120g for a heavily stocked tank or 200g for a lightly stocked tank.

Realistically it's probably only good for normally stocked reef tanks up to 90g or so.

Maybe the RS100 or RS135 Euro Reef skimmer or something similar, might suit your needs.

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Can somebody run me through the parts of a sump and show me a diagram. Also can you tell me what a skimmer does. As in what it takes up?
Okay heres the list of things that i think i'll need.
Light
Flow
Skimmer
Sump
Pump
LR
LS
DS
Overflow
Heater
Can you list the things i missed and the best brand for a 70g. H*** with the cost right now.

Just to help others help you better, what are you planning on keeping in your reef?

Hard corals? SPS? LPS? Soft corals? Clams? Zoo's? What kind of fishes? etc.

These might determine what lighting you'll need & if you need things like calcium reactors.

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If you can wait a week or so i'll be going to my local fish store and i'll look at what the have. this is my list so far

Fish

2 clowns
RedFire Fish
Longnosed Hawkfish
Magenta Dottyback
Lawnmower Blenny
CUC

Coral

Zoas
Dusters

Is there any other fish and coral that would go good?

Redfire Fish?
 

A Volitans Lionfish?

I'd be wary of keeping one of these in a reef.

I've heard of people who've successfully done it but personally I wouldn't.

They may chew up your CUC & be agressive towards your other fish.

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The Volitan Lionfish is nothing like the redfire fish. What are you trying to get at?

New list

Fish

McCosker's Flasher Wrasse
Longnosed Hawkfish
Mandarin Goby
Clownfish
Magenta Dottyback
Lawnmower Blenny
Starfish

CUC?

Coral

Clam
Zoanthids
Coco Worm
Tube Worms