ReadyGoâ„¢ Hematoxylin (ForMaxâ„¢ Hematoxylin) is a modified Mayer's hematoxylin developed especially for immunocytochemistry and supplied in ReadyGoâ„¢ configuration. It provides bright blue nuclear staining in cryosections or paraffin embedded tissue sections as well as cultured cells. This product requires no mixing and stains cells in less than a minute. bioWORLDâ€šÃ Ã¶âˆšÃ†â€šÃ Ã¶â€šÃ Ã¨â‰ˆÃÂ¬Â©s ReadyGoâ„¢ Hematoxylin Quick Stain does not contain mercury and provides excellent results with both peroxidase andAlkaline Phosphatase chromophores. It works with both nonaqueous and aqueous media. Shipped at ambient temperature. Store at room temperature.