Doc 9010

cherie3001,

It really depends what you will be keeping when sizing a skimmer.
The 9010 is rated for up to 1000 litre/264 gal aquarium, you can use the info below to help decide this is a guide from Tunze.

Regards
Graeme

Low sensitivity
In soft coral aquariums with long-polyp corals and anemones, for example, the share in dissolved organic matter may be higher,
sometimes it may even be vital. In this type of aquarium, the recommended aquarium volume can be used without deduction.

Medium sensitivity
A medium organic stability is usually found in mixed aquariums inhabited with soft and stone corals (LPS). Filter-feeding animals,
sponges, et cetera, are found there frequently as well. For these aquariums, a reduction of about 20 per cent of the skimming
capacity is calculated. A skimmer for 1,000 litres (264 US gal.) should thus be used for an aquarium of about 800 litres (211 US gal.)
which has this kind of reef design.

High sensitivity
Aquariums with primarily small-polyp stony corals (SPS) require an especially high degree of purity. They should have no load of
phosphates or nitrates worth mentioning. Good oxygen saturation and very clear water are the pre-requisites. Comline DOC skimmer
is also often used as a “stand-alone” solution in these aquariums. This type of aquarium should be reduced by about 40 per cent in
volume for the skimmer volume mentioned.

High sensitivity and high load
Hard coral aquariums with a high population of fi sh require an extremely high skimming capacity. The skimmer has to ensure the
degree of purity for the hard corals at an above-average high fi sh load. If the Comline DOC skimmer has to operate as a
“stand-alone” solution here, a high performance is required. This type of aquarium should be reduced by up to 60 per cent
in volume for the skimmer volume mentioned.
 
Thanks!I would say my tank meets the medium criteria so it should be fine with the size I ordered-just wanted to be sure before I installed the thing!!For some reason I didn't see your post before the "anyone out there" comment.:)
 
The 9010 should be plenty.

I have a 90g with a 9015 and it's too big. I almost junked it as it was very frustrating getting it to work. I guess the 9015 is designed for heavy load in a much larger aquarium.

Well my tank has half and half sps and lps and light bio load. So it took a long time to adjust and understand the 9015.

I've tried the Urchin Pro, AquaC 120 and Euro Reef 80. And I am keeping the 9015.
 
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