30g build

[sam30315]

Hi everyone, Ive been browsing this site for the last 6 months or so and have finely decided to build out my 30 gal into a reef tank. i have a friend who has a 90g so i have some of the basics down but was looking for input. so far i have 20p of live rock and 20p of dry rock with 20p of sand. its been cycling for about a week now. i have no idea of what protein skimmer to use, ie hang on the back vs submersible and what brand seems to work the best for the money. open for any and all suggestions. all pics were taken from a crackberry so please excuse the quality. Thanks yall.