Go with reef crystals. They aren't too expensive and will last you a long time. Also make sure to only use ro/di water in such a small tank. Actually it is always a good idea to use ro/di water in any tank. What do you plan on using for light? What type of liverock are you putting in? If you let the liverock cure in your 10 gallon that will cycle it. Did you put together a clean up crew yet? Will your 10 gallon be in a air conditioned room or are you going to keep a fan blowing at it? Just some things to think of.
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CollegeReefer
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