An ounce of prevention is worth a gallon of drain cleaner.
Believe it or not, most people plunge their tubs incorrectly. If your tub has an overflow plate (the little circle under the faucet), you need to cover that hole with a wet washcloth or duct tape. If you don't, the pressure you’re creating with the plunger will just shoot out the overflow instead of pushing the clog. stopped up tub
Understanding the enemy is half the battle. Unlike a kitchen sink, where food grease is the main culprit, bathtub clogs are almost always caused by a combination of: An ounce of prevention is worth a gallon of drain cleaner