Q:Grandma, Our toothbrush holders (cup type) constantly grow mold or mildew at the bottom. The water from the toothbrush provides the moisture for growth. Is there anything I can place inside of the toothbrush holders to absorb moisture and prevent the growth of mold/mildew?
A: Dear D, Continuous usage of toothbrush can make your toothbrush holder wet and moist. This helps bacteria and molds grow inside or outside your toothbrush holder or container. Not only is this unsightly, this is also dangerous for children and adults alike. These can cause diseases to the users if not properly cleaned. So how do you keep the toothbrush holder free from pathogenic growths? Here are some home remedies for cleaning toothbrush holders.
HOME REMEDIES FOR CLEANING TOOTHBRUSH HOLDERS
1. Mouthwash – Rinse your toothbrush holders every time you use it, you can pour a little mouthwash on the holder to kill the germs. Rinse well to remove any leftover toothpaste and molds.
2. Plastic – It is advisable to buy a plastic container rather a wooden one. Wood can easily form molds and decay quickly. Plastic is also easy to recycle and disposed of.
3. Dishwasher – You can put your toothbrush holder inside a dishwasher and use dishwashing soap with bleach. The powerful heat in the washer combined with heavy duty soap will thoroughly clean your container. Put it on the top shelf so that the heat won’t melt your container.
4. Hydrogen peroxide and water – This home remedies for cleaning toothbrush holders is very easy to do. Soak your toothbrush holder in a mixture of hydrogen peroxide and water. Do this for at least every week. This will stop and prevent the spreading of germs and bacteria.
5. Toothpaste – You can use toothpaste and scrub your toothbrush holders. Toothpaste can be used as a cleaning agent. Toothpaste contains baking soda and can help kill germs and clean your holder.
6. Hot water – Rather than using lukewarm water, Use hot water and soak it. This will kill bacteria and germs. If there are still or foreign material you can brush it. Finish with a cold water rinse.
7. Vinegar – If you are using a plastic holder, you can use vinegar to soak it with. Vinegar isn’t heavy and won’t burn your plastic container.
8. Heat – If your toothbrush holder has stains you can opt to leave it out in the sun for at least 3 hours this will magically remove the stains. After doing so, wash with cold water. 
9. Bleach – If the bleaching power of the sun isn’t enough you can use bleach to remove the odor and molds not it only cleans your container it also disintegrates the germs found in the container.
10. Lemon – Squeeze the lemon and let the juice sit in the container. Lemon is a natural acid and can kill the bacteria and germs. Additionally, it also has a nice scent to it
11. Baking Soda and water – Mix baking soda with water until it turns into a paste like substance. Use a washcloth and rub it into the holder. This is another good example of home remedies for cleaning toothbrush holders.
12. Sun – Avoid placing your toothbrush holders where the sun can hit it. Molds grow quicker if they get the basic necessities in living such as sunlight and water.