Lenicany 6Pack Pumice Stone for Toilet Cleaning Bowl Stick,Powerfully Cleans Hard Water Rings，Calcium Buildup & Stains, Suitable for Cleaning Toilet, Bathtubs, Kitchen Sink, Grill

Cleaned years of calcium build up on the inside of my toilet bowl.

Does a fantastic job. Removed all the hard water buildup for my toilets and I used a separate one for the sinks and it worked perfectly there as well

These are too course for cleaning porcelain. They scratch it.

I do not know why I never thought of using pumice on the toilet but it made sense once I thought about it. Sadly, the pumice bar broke rather quickly, and it seemed like as long as I scrubbed some of this stuff is just not meant to come off. I did have a friend tell me that she used to use them when she worked housekeeping at a hotel so I guess they are pretty helpful. I would buy them again, because they did help some.

Works wonders on porcelain and ceramic! Takes off all hard water and calcium build up.

i wont rebuy as they break up very very rapidly..i much prefer the ones on the stick..these are subpar.

I use for toilets( hard water) and other hard to remove build up.

With just a little effort I was able to erase the rust stains in my toilet. Looks way better in sparkles!

I have never used pumice stone before. I have terrible hard water stains in my toilet. None of the commercial toilet cleaners work. I did a little research and came across the use of pumice stone for cleaning hard water stains. So I ordered this product. I wondered if it would work because it is a rectangle. No problem. The pumice stone wears down while in use and conforms to the shape of the bowl. Saturate with water and start rubbing. Wow! It removed every bit of that hard water ring. Great product.

Trabajo en limpieza y con eso elimino fácilmente el sarro en las poceta y las rayas negras sobre la cerámica de lavamanos o poceta, es efectiva