How To Turn 2 Star Hash Into 4 Star?

I came across some poorly made hash with decent genetics recently and was thinking about running the hash through the bubble bags a second time to try and increase the quality. Has anyone done this before and can offer some advice?
 
I plan on putting it through rosin tech. But first I wanted to try and make the hash quality better so I can get better yields. The yields on this moroccan style hash I have is around 35-40% which is very poor for hash rosin.
 

GT21

I like soup
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Take the hash and rip it through everclear or isopropyl. ... 2 star to 4 star...
 

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