How To Get Plaque Off Of Your Tongue by Aurora Adams How To Get Plaque Off Of Your Tongue STEP 1:Mix 1 teaspoon of salt with 3ozs of warm water. Gargle for 45seconds. STEP2: Repeat step 1 two more times. STEP3: Sprinkle half a teaspoon on to tongue. Brush tongue for 1 minute. STEP4: Repeat step 3 two times. Scrap your tongue with tongue scraper or the back of your toothbrush. I hope you thought this was helpful to you. Don't forget to like and save.