Actually, you don't need a protein skimmer, you don't need live sand, and you don't need live rock. You can use dead sand (non-living) and your tank will work perfectly without the live sand. The live sand is better if you would like to have a better biological filtration in your tank, because there is bacteria and other types of good critters that help with the biological filtration, The live rock is better if you want more biological filtration, but it also helps your tank cycle through faster. Now, since this is a smaller tank, you're only going to grow soft corals. But, if you don't have any corals in the tank, then you don't need the protein skimmer. And please do take the advice from me because I actually have this tank and it's a size 29. Good luck with your new tank!
answered 1 year, 11 months ago
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live sand, live rock, and a protein skimmer
answered 2 years, 1 month ago
11out of 11found this answer helpful.