This is the most expensive consequence. If the chemical doesn't work (and often, it doesn't work on toilet paper wads or "foreign objects"), you will eventually have to call a plumber.
Unlike sinks where water flows straight down, toilets have a built-in "U-bend" or trap designed to hold water. Liquid-Plumr often gets stuck in this trap, allowing the chemicals to sit against the porcelain for hours without reaching the actual clog. what happens if you use liquid plumr in a toilet
While Liquid-Plumr can be effective for clearing clogs in sink drains and showers, it's not the best choice for toilets. Using it in a toilet can lead to damage, safety risks, and incomplete clearing of the clog. Instead, opt for a plunger, toilet auger, or enzyme-based drain cleaners specifically designed for toilet clogs. Always follow the manufacturer's instructions and take necessary safety precautions when attempting to clear a clogged toilet. This is the most expensive consequence