![What is this brown gunk that accumulates over time on all my toothbrushes and how can I stop it from happening? : r/whatisthisthing What is this brown gunk that accumulates over time on all my toothbrushes and how can I stop it from happening? : r/whatisthisthing](https://preview.redd.it/ueqr03iyq4a31.jpg?auto=webp&s=abe5a2b72539e3ab14ea6dab7297ba46413db129)
What is this brown gunk that accumulates over time on all my toothbrushes and how can I stop it from happening? : r/whatisthisthing
![Toothbrush with replaceable bristles so you don't have to keep buying a new handle : r/NewProductPorn Toothbrush with replaceable bristles so you don't have to keep buying a new handle : r/NewProductPorn](https://i.redd.it/j67oius81l461.jpg)
Toothbrush with replaceable bristles so you don't have to keep buying a new handle : r/NewProductPorn
![My $150 toothbrush that needs an e-mail address and internet connection to use the bluetooth features...and won't let me screenshot the app for "security" : r/assholedesign My $150 toothbrush that needs an e-mail address and internet connection to use the bluetooth features...and won't let me screenshot the app for "security" : r/assholedesign](https://i.redd.it/6s7cnczr9x731.jpg)
My $150 toothbrush that needs an e-mail address and internet connection to use the bluetooth features...and won't let me screenshot the app for "security" : r/assholedesign
![Does anybody know when the Sonicare toothbrush go on sale? I saw it was 100 dollars off yesterday but I missed it. : r/Costco Does anybody know when the Sonicare toothbrush go on sale? I saw it was 100 dollars off yesterday but I missed it. : r/Costco](https://i.redd.it/p1b5l8aiew991.jpg)
Does anybody know when the Sonicare toothbrush go on sale? I saw it was 100 dollars off yesterday but I missed it. : r/Costco
![My Philips Sonicare electric toothbrush is still going strong. It's over 10 years old and still works just as well as when I first bought it. I bring it on week long My Philips Sonicare electric toothbrush is still going strong. It's over 10 years old and still works just as well as when I first bought it. I bring it on week long](https://i.redd.it/9m3ok2x5xvi11.jpg)
My Philips Sonicare electric toothbrush is still going strong. It's over 10 years old and still works just as well as when I first bought it. I bring it on week long
![What is this brown gunk under our toothbrushes, and how would I clean this (and then prevent it again)? : r/CleaningTips What is this brown gunk under our toothbrushes, and how would I clean this (and then prevent it again)? : r/CleaningTips](https://i.redd.it/h5t4mfhzs2461.jpg)
What is this brown gunk under our toothbrushes, and how would I clean this (and then prevent it again)? : r/CleaningTips
![A redditor woke up at 4 AM only to find out what this cat was doing to his electric toothbrush : r/funny A redditor woke up at 4 AM only to find out what this cat was doing to his electric toothbrush : r/funny](https://preview.redd.it/6kkij00tbol91.jpg?auto=webp&s=c1cee9152d66c8eb4738596336ac651e903df6a3)
A redditor woke up at 4 AM only to find out what this cat was doing to his electric toothbrush : r/funny
![Braun Oral-B Vitality mechanical toothbrush I've had for 14 years. Brushed my teeth with it this morning. : r/BuyItForLife Braun Oral-B Vitality mechanical toothbrush I've had for 14 years. Brushed my teeth with it this morning. : r/BuyItForLife](https://i.redd.it/zijfn7a73poz.jpg)