Professor Amos 32 fl. oz. SuperFast Drain Cleaner 2-pack Sick of slow drains and standing water in your sink or tub? Power through slime and grime with this dual-action drain cleaner. It simultaneously dissolves clogs and liquifies the hardened grease and scum to which hair and food attach. Use it in all your home's sinks, showers and tubs to keep water flowing and drains clean and fresh.