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ABS adhesion to PVA support

I am trying to print a model that needs support and I am using PVA for the support. 98% of my 1st layer of the model is going over PVA.  My problem is that the edges are curling and will not adhere to the PVA. Has anyone figured out how to correct for this situation? 

Specifics: Davinci 2.0 (dual extruders), with Repetier firmware, slic3r.   1.75 Candy Yellow extruder temp 225c, and PVA extruder temp 185c

I have searched all over and have not found a remedy.
Thank you In advance for any assistance.

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