Bathroom Glass Shelves Tempered Glass In My Bathroom?

Tempered Glass in My Bathroom? - bathroom glass shelves

I'm installing a glass counter in my bathroom wall mounted with http://www.amoredesigns.com/products/glace-24-shelf-bracket.html A () and I wondered if I receive extra help through the installation alittle parentheses The bar should be moderated? I am pleased with all the weight on the front of the glass alittle worried. Thanks