Here’s a concise guide to diagnosing and fixing a (water drains slowly, but doesn’t overflow immediately).

to do

The water swirls but doesn't have the "tug" needed to clear the bowl. Common Causes of Partial Obstructions

Partial clogs are often caused by the "buildup" of materials rather than one single object. 7 Reasons Your Toilet Keeps Clogging - The Spruce

The bowl fills up significantly higher than usual immediately after a flush, but eventually subsides.

In terms of prevention, regular maintenance can help prevent partial clogs from occurring in the future. This can include:

For a partial clog toilet, here are some steps you can take:

A partial clog toilet occurs when there is a blockage in the toilet drainpipe that prevents waste and water from flowing freely. Unlike a complete clog, where the toilet won't flush at all, a partial clog allows for some water to flow through, but with reduced efficiency. You may notice that your toilet: