Vacplus Water Bottle Cleaning Tablets, Efficient Water Bottle Cleaner Tablets, Biodegradable&Odor-Free Coffee Cup Cleaner Tablets, Natural Stainless Steel Cup Cleaners, Individual Package, 36 Tablets

This is very user-friendly, convenient, and fast

I have a 20 oz. YETI Rambler mug. Green tea gradually builds up a brown coating on the inside. I found a YouTube video showing how to use boiling water, baking soda, vinegar and a bottle brush to remove that gunk, but quickly learned that the boiling water destroys the brush.The first time I used this product, I followed the manufacturer's instructions exactly — hot water plus one tablet, wait 30 minutes and rinse out. The brown residue remained. I was ready to return the product.But then I decided to try it again. I added one more tablet, plus near boiling water, and waited 45 minutes. I rinsed and this photo shows the result. The YETI mug has been restored to its ORIGINAL shiny stainless steel luster. (Sorry I didn't take a before photo.)The main ingredient, Sodium Percarbonate, is widely used in a variety of kitchen, laundry, and other cleaning products. It is environmentally safe and breaks down into oxygen, hydrogen peroxide, and soda ash. It rinses clean with absolutely no smell or aftertaste.I'm glad I gave this product a second chance. I couldn't be happier. It's safe, convenient and effective. HIGHLY recommended!

They worked, but it took hours to dissolve, even with shaking. Directions said half an hour.

This is an awesome product to clean something like coffee stains. Overtime coffee stains just built up in my cup for one reason or another and I was going to throw a couple weeks. I just couldn’t scrub it clean. Then I saw these tabs and decided to give it a try and I just see by the picture they work amazingly. Even my coffee carafe that I’ve been slightly stained came clean. My stainless steel coffee cup is like brand new. I highly recommend these items and couldn’t be happier. One thing I did notice that you have to use one tablet for a liter or something like that so I broke up the tablets into quarters and use a quarter in a cup and that was more than enough to clean the cups and everything like that.

I used this to clean my stainless steel vacuum bottle. It had several years of coffee build up inside. I used to use Dip It to clean it out, but it's hard to find. If you can find it, it is way too expensive. Decided to try this product and was very happy with the results. One tablet with HOT water into the bottle did the trick, leaving the solution in the bottle for over 30 minutes. No scrubbing involved, just dump and thoroughly rinse. I didn't think anything would work to clean my bottle like Dip It, but this does. Highly recommended.

Didn’t do much for my stainless steel bottle. Water spots still there. Bummed.

I was really impressed with how well these work. I tested it on an old plastic tea-and-juice-stained pitcher I've had for years and couldn't part with because it is so handy. I used two tabs because of the two-quart volume and it cleaned up nicely. The dark marks are from where I had marked with permanent markers to show certain measurements. I'm not overly concerned or obsessive about the "cosmetics" of my utensils, but feel the need to explain to visitors or company that I'm not serving from a dirty container, but is tea-stained; mission accomplished! Will try next on my teapot which gets used daily. Happy to get a product that's environmentally safe and works so well.

I saw this online and thought no way it works as good as they say it does. We have our favorite travel mugs that we use almost daily for coffee. Over the years they get that build up no matter how many times you wash them. These tablets work! I did find that they need to set for the full 30 minutes. Also, I have to take the dish brush and wipe the residual stuff out. I don’t have to scrub to get it out, just run it around the inside edge. You could probably just use a cloth or sponge to get it out. It’s that easy. And, most importantly, there is no taste after using it. The cup pictured is at least 10 years old.