what is the cause of lime buildup in drain pipes
Mario Calhoun. Lime buildup in a shower drain occurs over time due to hard water that contains sodium, magnesium and other chemicals. White vinegar is a natural cleaning solution that removes lime buildup from the shower drain without emitting toxic fumes commonly found in household drain cleaners. While non-toxic, vinegar is potent and should only be used in a well-ventilated bathroom to reduce inhalation.