Could try some gravel & oven cleaner. Then slosh clean with regular
soap. Don't leave the oven cleaner in very long, but it should break
down the deposits. Worked for me. I finally sprayed vinyl & rubber
treatment inside & out and put back together.

Jon

On 11/11/2016 8:38 AM, Dan N wrote:
> no... the dry stuff is greenish... it looks like seaweed flakes... some is
> lose and going around some stick to the bottle...
>
> I think a rock/pebble hit my previous one, big crack. After cleaning it I
> will put a lay of fat mat to protect it....
>
> btw I tried vinegar and then CLR... nope, not working...
>
> I will put some dry/uncooked rice in it with windex and slosh around to
> see...
>
> dan