Standard retail cleaners are often diluted for general consumer safety, but super strength versions use higher concentrations of active agents to penetrate standing water and tackle severe blockages.
Many utilize sulfuric acid (often 96% pure for commercial use) or caustic soda (sodium hydroxide) to chemically "melt" blockages through exothermic reactions. super strength drain unblocker
These products are not suitable for every situation: Standard retail cleaners are often diluted for general