





Methylene Blue, 1% USP (Pharmaceutical) Grade: 50 mL Bottle with 8 oz Refill 2-Pack Glass Kit; 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 Aluminum (Al), Arsenic (As), Cadmium (Cd), Copper (Cu), Mercury (Hg), Lead (Pb), Selenium (Se), Tin (Sn), Zinc (Zn)
See Photos for Certificates of Analyses
Glass Dropper Bottle for Easy Dispensing