Can I get recommendations for lube for rectal ultrasound? This is what I've always bought but the last two gallons were extremely thin and did such a poor job of lubricating that Clinical Ultrasound lubricant: This is a common artifact that we have to deal with on cytology. The lubricant is seen as purple to magenta variably sized and shaped granular material on ReproJelly, non spermicidal lubricant Minitube Male Rose Vibrating Masturbation Sleeve Original Design Condomania.com