How Long to Cure Rock

I guess I'll keep doing what I'm doing. I just get excited seeing the rock sitting there in the QT. I want to put it in the main tank so bad. That's the problem with not working right now, I sit and stare at the new rock all day, then look at my main tank with only 10lbs.

Once the rock is in the main tank how long should I wait before adding anything? Or because it is cured I can add right away?
 
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