Hold a vacuum tube with both hands and rotate it back and forth to detach it from the water tank sealing ring. Then push it into the water tank for a while. When the bottom can be separated from the base, pull. Remove the vacuum tube and drain the water. Pour it out, then add a little clean water, rinse it before pouring it out, repeat this several times, rinse it thoroughly before disassembling and cleaning the next one. After all cleaning, add water to the vacuum tube. water tank and rinse the scale and debris in the water tank, then install the vacuum tubes one by one. Before safety, carefully check whether the sealing ring at the water tank installation hole is intact. replace it with a new one.
The scale in the vacuum tube floats in the water and will not stick to the inner wall of the water tank like the scale in the thermos bottle, so it is releasedtively simple to clean, but you must be careful when disassembling and do not use too much force to avoid damaging the vacuum tube.