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).
To clean the toilet. 1. Add 1-2 cups of vinegar to your toilet bowl and a few sprinkles of baking soda. 2. Using a brush with nylon bristles, swish around the cleaner in the bowl for a few minutes then let it sit for bout 15 minutes. 3. Scrub the surface again with your scrub brush. If this does not get all of the stains, add some lemon juice, which should help dissolve the last of them. 4. Flush away the cleaner and repeat if necessary. To prevent hard water: 1. To start, purchase detergents that are specially formulated for hard water.