[Histonet] Testing Purity of Recycled Reagents

From:"Cheasty, Sandra"

How often do you test your recycled reagents, (Histo Clear and Alcohol), for purity?
Every run?
Once a week?
Once a month?
Semi annually?

We have a hydrometer for testing the alcohol %, but how do you test the recycled Histo Clear?  (Or xylene or xylene-substitute)


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