The "Spectroline BigEZ" dye injector uses a 4-ounce cartridge that contains "AR-Glo" leak-detection dye.

The "Spectroline BigEZ" dye injector uses a 4-ounce multi-dose cartridge that contains enough OEM-approved "AR-Glo" fluorescent leak detection dye to treat systems with up to 16 gallons of refrigeration oil, according to the manufacturer. The dye injector is designed for chillers, supermarkets, refrigerated warehouses, food and dairy plants, and large industrial refrigeration plants. The cartridge is calibrated in 1/8-ounce increments. The recommended dosage ratio is 0.25-ounces of dye for every gallon of refrigeration oil.

Spectronics Corp., P.O. Box 483, Westbury, NY 11590; (800) 274-8888; fax (800) 491-6868.