Here are several ways to solve the glaze problem of toilet outlet:
1. Uncover the glaze with pliers:
First of all, we can use some tweezers or iron tongs to uncover the glaze. Then, you can use a file to clean up any defects around the water outlet and eliminate any obstacles that hinder the drainage.
2. Use a drilling machine:
If all the above methods fail, you can try to slightly enlarge the diameter of the water outlet with a drill. In order to eliminate any rough edges, some stainless steel items with sufficient rigidity and strength can be used to treat the edges.
3. Use acid:
In some cases, acid can be used to remove glaze from toilets. Please note that this practice requires great care. It is suggested that some relatively safe acidic solutions, such as phosphoric acid and phosphoric acid, can eliminate glaze, but the damage to the toilet is irreversible.
4. Replace the toilet:
If all the above methods fail, you'd better change the toilet. Any damage to the toilet may weaken its performance, resulting in serious drainage problems. Changing the toilet is your wisest choice, and make sure the drainage system in your home is unblocked. Before replacing the toilet, it is recommended to consult sanitation professionals or toilet manufacturers to avoid subsequent problems.