Having taken the grate out of the hot water, we immediately begin cleaning it; any available means will do for this, for example, a sponge or brush.
The influence of hot water and the components of the tablet will soften the fat and will be removed without unnecessary effort. Carbon deposits that remain hard can be removed with a knife.
This way I clean half of the grate, and then turn it over, put the dirty part into the pan and repeat everything described above.