HG liquid unblocker is a product for unclogging a clogged drain in the sink, toilet or a shower drain. It works thoroughly and effectively and does not affect plastic pipes. HG liquid unblocker is a ready-to-use unblocker and does not need to be diluted, reducing the risk of splashing. Ready to use. Does not bubble and splash. Results within 30 minutes. Safety Information. May promote fire, so keep away from heat, sparks, open flames and hot surfaces. Causes severe burns. Causes skin irritation. Causes serious eye damage. May cause allergic reaction. In case of contact with skin, remove contaminated clothing immediately. In case of contact with eyes, gently rinse eyes with water for several minutes, remove contact lenses if possible and continue rinsing. After working with this product, wash hands thoroughly. When seeking medical advice, keep the package or label available. Keep out of the use of children.