On 7/26/2017 6:44 AM, Bob wrote:
Hello,

Could anyone please suggest a toilet bowl cleaner that
actually works, other than the one(s) that are apparently
nothing but Hydrochlorlic (HCl) acid ?

And, anything specific for that bluish-green stain
that is fairly common I imagine ?
Possibly some kind
of Sulfate deposit from the water itself ?

Thanks,
B.

The stain is from stuff in the water. I'd try CLR if no one give a
better reply on exactly what it is and how to eliminate it.

For normal cleaning, I use a glug or two of bleach and brush it around
but I never get those blue stains.