Illinois growing zones range from zones 5-7. By looking at the map above and locating the approximate area in which you live, you will be able to find your Illinois hardiness planting zone. Simply compare the color-coded zones for your area with those of the legend on the right of the map.
1 Place the toilet brush into the mixture and allow it to soak for several hours. 2  Remove the brush to see if it is clean. 3  If needed, add more crystals (another 1/3 -1/2 cup). 4  Soak it longer if needed. 5  Once the brush is clean, remove it from the water, rinse and allow it to dry completely. Fill a bucket half full with water. 2  Add 2-3 cups of washing soda crystals to the water. 3  Place the toilet brush into the mixture and allow it to soak for several hours. 4  Remove the brush to see if it is clean. 5  If needed, add more crystals (another 1/3 -1/2 cup).
Scrub the interior of the toilet with a toilet brush or nylon scrub brush. The abrasiveness of the baking soda or scouring gel combined with the brush removes remaining soil on the bowl's interior. Flush the toilet once or twice to rinse away all cleaning residue.