It’s Not a Cure-All: While salt is great for basic maintenance, it won’t fix a major clog or a serious plumbing issue. For those big problems, a professional’s expertise is still essential.Liability Concerns: Some plumbers may avoid recommending DIY methods to prevent being blamed if a user tries the trick and something goes wrong, even if the problem was unrelated.While salt can’t replace the services of a professional for a serious plumbing issue, it’s a handy, budget-friendly, and eco-friendly trick that can keep your toilet in great shape. Give it a try—you might be surprised at how well it works.