Oil-Glo 22 Yellow Fluorescent Dye 505182 | Newco   Quote Only Qty:   For more than 35 years, OIL-GLO 22 has been the standard in quickly pinpointing all problem oil leaks in industrial and vehicular applications. Just add this safe and easy-to-use fluorescent additive to your system and shine a high-intensity ultraviolet lamp on the suspect area. The exact source of every leak will shine with a bright yellow-green glow. Versatile Simple 3-step procedure Laboratory-tested Concentrated and cost-effective