Xikar Humidor Solution Propylene Glycol Pre Mixed 8 Ounces by Xikar

Easy to use. Use every time solution. Won't plug humidifiers. Pre-mixed for convenience. Purity: Solution is created with a reverse-osmosis system, resulting in less then 4 ppm impurities. Mix: It is a perpetual solution, its mix of PG and purified water is such that the PG biodegrades at the same rate as refill of the devices. Crystals: If used with crystals they will allow for absorption of up to 450x their volume in the PG Solution.