Cycling uncured live rock with or without skimmer

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I figured I would add uncured live rock to my 120 and let it cycle. I had planned on skimming from day one to avoid excess buildup of ammonia/nitrites/nitrates which might kill off some of the life on my live rock, and also to try to minimize an algae bloom at the beginning.

I will be delayed in getting a skimmer perhaps a month or so until the EuroReef I want is available in stock. Everything else will be ready except the skimmer.

Will there be a problem in starting the live rock cycling without a skimmer? I want to do things optimally so I have no problems waiting a month if that is best.

Also I have been advised to cycle my live rock before adding sand, to avoid buildup of gunk in my sand. However I figured if I cycled the live rock with sand in place, this would help get more living organisms in the sand bed, any thoughts on this.