Simply Methylene Blue a simple water, & alcohol solution of high purity methylene blue without any added excipients or fillers. No, glycerin or preservatives. Ready to use solution.
UPS grade urea 99% pure. You don't have to worry about using fertilizer grade urea any more. This high purity, clean, USP grade urea is perfect for your personal research and applications.(Carbonyldiamide; Carbamide)