First salt water marine tank,

[babybump2011]

Hi all I'm a lot confused as every site on Google says a differant thing, so I'm quiet glad I found this site. I'm in the process of filling my 40g tank with ro water, and in the process of buying sand, what rock would be best to get and also what are the next steps I need to take and also I read something about cycling what does this mean, ps in other words can someone give me a guide to marine tanks for a newbie, I have all the basic skills as I have had a tropical tank for years,

Cheers


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