





Methylene Blue, 1% USP (Pharmaceutical) Grade, 8 fl oz Glass; 3rd Party Tested
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Product Details
Ultra-Pure USP Grade Formaldehyde Free Methylene Blue
1 Drop contains 0.5 mg Methylene Blue
3rd Party Analytical Laboratory Verified Levels of Arsenic (As), Cadmium (Cd), Copper (Cu), Mercury (Hg), Lead (Pb), Selenium (Se), Tin (Sn), Zinc (Zn)
See Photos for Certificates of Analyses