Posts: 5,237
Threads: 0
Joined: Jan 2014
Location: Santa Maria, Ca
Straight Simple Green and Baking Soda mixed into a paste, scrubbed with a stiff brush.
Mark Singleton
Bene vivendo est optimum vindictae
The Laws of Physics do not care about your Politics - Me
Posts: 24,682
Threads: 1
Joined: Jul 2002
Location: St Boni, MN
I dumped a bottle of windshield washer fluid on my garage floor a while back and just swept it with a still broom. I was really surprised at how clean it got the concrete. Not sure how it would do with tannin stains but it's cheap enough to give it a quick try. Let us know if you try it.
Mike
If you're the smartest person in the room, you're in the wrong room!
But not today...
Posts: 64,852
Threads: 3
Joined: Feb 2007
Location: Merryland
trisodium phosphate
If that doesn't work, muriatic acid, But read up on it first.
Posts: 4,686
Threads: 0
Joined: Jan 2007
Wet & Forget
Any free advice given is worth double price paid.
Posts: 1,783
Threads: 0
Joined: May 2001
Location: Tyler, TX
Summer sun takes care of that at our place.
"Don't force it - get a bigger hammer!"
