Blue showing silica gel, treated with cobalt chloride, changes tone from blue to pink as it retains dampness, making it valuable for demonstrating immersion levels. While it imparts applications to ordinary silica gel, it's unsatisfactory for direct contact with consumables because of cobalt chloride's presence. This marker is significant in dampness delicate conditions like gadgets, yet its utilization should be painstakingly directed to stay away from contact with things expected for utilization. Blue silica gel gives a viewable prompt of dampness levels, helping with compelling dampness control in different modern and business settings.