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).
Leave your toilet brush set to soak for about an hour, or until the diluted bleach solution cools completely. After one hour, remove each piece of your toilet brush set from soaking. Give the handle and the toilet brush caddy a good scrubbing with the sponge and detergent powder. Use the old toothbrush on stubborn stains and hard-to-reach places. If your set has a ceramic toilet brush holder, use a non-abrasive sponge.