The extreme firming arterial fluid of the ESCO family of fluids. Utilised on the problem case, i.e.; autopsied, frozen, electrocuted, or decomposed case, “Instant” produces immediate results in saturation, penetration and firming of the tissue. It produces excellent results in cases with a swarthy, or darker complexion. It is the preferred fluid for difficult cases in the African-American community. Used as a “booster” with other arterials, “Instant” ensures a rapid firming of the tissues.