Bathmate Hercules Aqua Blue. The Aqua Blue Hercules Bathmate proves that bigger is better. This penis enlargement pump is a go-to gadget for men who want to increase size and girth. The Hercules is a hydropump that really works. It can be used in the bath or the shower, and regular use means you'll see results in a snap. This penis enlargement pump doesn't just enhance penis size, it also enhances penis health. It leads to harder erections and increased satisfaction. The Bathmate is a beast when it comes to self-esteem and confidence in the bedroom. It is made from safe materials that are phthalate free, skin safe and medical grade. This penis pump is simple and easy to use and is the perfect pick for beginners, too. This pump is also available in Aqua Red and Crystal Clear.