Silica Gel in Gujarat. Aquablue Silica Gel is used to prevent tarnish on gold and silver, in your tool box to protect your precious tools from rusting, or drop some in your camera bag to protect your camera and equipment. It even protects expensive leather items like jackets, shoes, and boots. Also great for tackle boxes, photo albums, computer media storage, coin collections, camping gear, backpacks, campers, electronics, etc.