12-04-2009, 02:10 AM
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First off, can I ask why the lack of skimmer use? A skimmer is an important addition to your equipment list, especially if you are new to saltwater.
In regards to the lighting, your needs will depend on what animals you wish to keep vs size/depth of tank you are working with. Freshwater fixtures can often be used for marine tanks if the bulbs are replaced with appropriate bulbs. Here again, until we know what you are attempting to keep, it is impossible for someone to suggest appropriate bulbs or the fixtures that can handle them.
When you say you wish to use "basic filters", can I ask what you are referring to? There are canister filters, hang on back filters (HOB), internal filters, etc... The type of filtration unit you decide to work with will also hold a lot of bearing about whether skimming will be needed, how many additional power heads will be needed, etc. Filtration in a marine environment relies heavily on live rock, sand bed, and "natural" forms of filtration, much more so than freshwater situations.
When deciding to purchase a tank, get as large as you can to start with. The bigger the tank the easier it will be to care for and your options of what to keep will vary greatly. A marine environment is very different than a freshwater environment, and so are the animals.