What’s The Ideal Timeframe To Re-Submit PR Links For Indexing Via Press Advantage?

In episode 211 of our weekly Hump Day Hangouts, one viewer asked about the ideal timeframe to re-submit PR links for indexing via Press Advantage.
The exact question was:
Hey guys, just a quick question regarding Press Advantage.
what's the ideal time frame to re-submit PR links for indexing?
75% of ours are still not indexed, even tho they were all submitted to gindexer weeks ago..
is there a better way?
thanks!
