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Precision formulas from HOFF, made in our own professional lab.

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2 oz / 59 ml

Methylene Blue 1%

Pharmaceutical grade. Precision formula.

USP pharmaceutical grade methylene blue. 1% concentration in a 2oz dropper bottle. No formaldehyde, no alcohol, gluten-free. For technical and research applications.

Methylene blue USPPurified water

$24.97

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