To get the child writing independently, have him or her do a writing exercise that crosses the midline to eliminate reversals and then teach him or her simple spelling words by using color, picture, and looking up with the eyes to engage the right, visual hemisphere.
Disinfecting kills germs on surfaces or objects. Disinfecting works by using chemicals to kill germs on surfaces or objects. This process does not necessarily clean dirty surfaces or remove germs, but by killing germs on a surface after cleaning, it can further lower the risk of spreading infection.
Try Snobol. It is a toilet bowl cleaner. It will get rid of all of the build up. As far as a drop in, I use Bowl Fresh. It is the ONLY drop in I have found to combat hard water stains. I use the Snobol every time I clean the toilet. If the stains don't disappear right away, they will after a couple cleanings.