On 5/25/2015 11:06 PM, John Kuthe wrote:
> waterdata.usgs.gov/nwis/uv/?site_no=07034000&agency_cd=USGSOn 22 May
> 2015 20:53:50 GMT, notbob > wrote:
>
>> My mom's house is pretty dirty from her having never cleaned the upper
>> levels of this small cathedral ceilinged park model. Grease from the
>> kitchen has been accumulating for yrs. I've tried my fave grease
>> cutter, 409, and it knocks off most of the crude, but a stubborn
>> residue remains unfazed. Almost like plaque.
>>
>> What do resto kitchens --or their hired cleaning services-- use to cut
>> the grease in the exhaust hoods? Anyone know?
>>
>> nb
>
> Oven cleaner. The one I use is primarily sodium hydroxide, so use
> gloves and don't breathe the fumes, use in a well veltilated area,
> etc.
>
> John Kuthe...
>

Sodium hydroxide will dissolve aluminum, and the reaction produces
hydrogen gas, which is explosive. It probably won't do the paint on your
cupboards any good, either.