King Seeley Hydrostatic Gauge

This information came from the Packard Forum:http://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?post_id=70325Has anyone run across a supplier of the fluid for King Seeley Hydrostatic Fuel Gauges that doesn't turn clear after exposure to light?All the sources I've tried have the same result - the liquid goes from red to light amber after 3 - 6 months, faster if exposed to light.Some background on the fluid used originally:Chemical Name - acetylene tetrabromide also called 1,1,2,2-tetrabromoethaneSpecific gravity- 2.95 to 2.96Color – redOriginal literature called for it to be dyed with 'Durant' scarlet dye.The modern replacement liquid sold by the vendors has a tendency to lose its color after some time.http://www.classicandexotic.com/store ... fuel-gauge-red-fluid.aspxAny Chemists out there that can suggest an available substitute?I've included some repair tips for this type gauge I ran across.