Hmm... if you are going to continue trying to save money on buying from a source you believe to have quality control issues, consider investing in getting a Spyder or other system that can profile your printed paper.
Since it is from a supplier where each mass batch of ink could vary somewhat, then every time you get a new batch of ink, you can re-profile your printer against the inks and the papers.
Note, the profile is per paper x ink x printer combo.
Link to various software solutions:
Open Source Options:
http://www.color.org/opensource.xalter
Paid for Options:
http://www.color.org/profilingtools.xalter
Step By Step using Argyll:
http://www.argyllcms.com/doc/Scenarios.html
Profile Prism Calibration for display/print/scanner:
Howto:
http://www.ddisoftware.com/prism/help/psteps.htm
Software Page: