Are you checking all of your water parameters? That is too many fish to add in such a short period of time. You need to take it slowly. I doubt you have sufficient biological filtration to accommodate that much bio load yet and would be concerned with possibility of ammonia building up and killing your livestock.
How much Liverock?
What do you feed, how much and how often?
How often and how large are your water changes.
Are you using rodi
Are you using a protein skimmer?
If you are seeing algae then you have excess nitrates and phosphates in your water. Meaning you are likely over feeding and not removing what you put in via water changes and filtration. CUC(clean up crew) to deal with algae is unnecessary and only temporarily hides the problem.