Pva Blue grit

Hi all, just wondering if anyone has advice with blue grit. We put the blue grit on but are now unable to plaster these areas until 5 days later. Would you pva the blue grit now?
Bad batch of blue grit taking 5 days to dry no need for pva
 
Did you blue grit wet plaster ?
Cameron Diaz Im Gonna Be Wet For Hours GIF
 
Not sure if he means it's not dry

But that it's been left for so long.


If so, it'd be fine.

Even weeks later, just move cobwebs.
 
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