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STIS: I moved my grill and the mat underneath, and there was a lot of ick underneath that mat. I did an initial spray with the power washer but not

Posted by kelly Mar 13 '24, 11:37

everything is gone. I sprayed a patio cleaner that attaches to the water hose and that did a whole lot of nothing.

How would I get rid of this? (Concrete patio)

UnepitomizedAdnationVagotropism.jpg

Responses:

Looks like a mild case of efflorescence if the power washer couldn’t remove it. A damp mat on concrete can cause it. It should disappear on its own in - Loyola Mar 13, 12:37
Nothing acidic, that'll eat through your concrete. -- nm - Reagen Mar 13, 12:26
Put the mat and the grill back in that spot. Done! -- nm - Cuzzin Todd Mar 13, 12:02 2
- "Doctor, it hurts when I do *this*." - Spawn Mar 13, 12:19
- Heh. Not a bad idea. -- nm - kelly Mar 13, 12:17
Something mild like simple green, let sit and then hit it with the power washer again -- nm - rollo Mar 13, 11:48
wd40 and scrub? (if it's grease/fatty) -- nm* - Andie Mar 13, 11:47 2
- I forgot I bought a rotating surface cleaner attachment last year. I bet that would do the trick. -- nm - kelly Mar 13, 11:53 1
  - if it seems like it might be mold-adjacent, maybe a mold killer too? -- nm* - Andie Mar 13, 11:56
I'm assuming it's grease? -- nm - JaxSean Mar 13, 11:44 1
- No I don’t think it is. It seemed to be a result of moisture but we don’t use that grill a whole lot so I doubt it’s grease. -- nm - kelly Mar 13, 11:51
burn it with fire -- nm - hollywood big shot Mar 13, 11:42 1
- nuke it from orbit -- nm - Spawn Mar 13, 11:43
Laundry/Dish Detergent/Bath Cleaner help? Spray N Wash? Let it soak -- nm* - budice Mar 13, 11:40

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STIS: I moved my grill and the mat underneath, and there was a lot of ick underneath that mat. I did an initial spray with the power washer but not

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