Sharp Propane signs deal with Austin Zoo and Animal Sanctuary 09/2015 Sharp Propane and the Austin Zoo and Animal Sanctuary are proud to announce the first Sharp Propane Austin Zoo Day on Saturday, September 26, 2015, celebrating the longstanding relationship between Sharp Propane and the Austin Zoo. From 9:30 a.m. – 5:30 p.m., Sharp Propane will provide a $2 discount off zoo admission to anyone who mentions Sharp Propane at the admissions counter. The family-friendly event will also feature giveaways, fun activities, and a performance by Lucas Miller – the singing zoologist.