Justin, I think David has some at Columbia Stone Products ins San Marcos.On Thu, Mar 5, 2015 at 9:21 AM, Justin <justin@jmcstoneandtilecare.com> wrote:Where is a good place to get the oxalic acid.Thanks
Justin CameronJMC Stone and Tile Care
On Mar 4, 2015, at 7:07 AM, Justin <justin@jmcstoneandtilecare.com> wrote:Thanks guys appreciate the tipsI did a job last year that was almost identical. We cleaned with an acid cleaner and then scrubbed with a Rust Out application. It got all of the rust stains out and the slate looked beautiful.Baird
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www.facspecs.comOn Wed, Mar 4, 2015 at 5:55 AM, Mike Marsoun <nulifesc@bigpond.com> wrote:I agree with Fred. I always use a blend of these two dry acids, and a pinch of neutral cleaner as a surfactant, maybe 5% of muriatic and a 80 grit brush, pressure wash and it will be beautiful. I like Miricle Sealants 511 which will enhance a bit and is comparable with slate.
Sent from my iPhoneI would start with a good cleaning with a mild acid such as sulfamic. To attack the rust you can use some oxalic acid. be sure to rinse. I would not seal it. Not a big fan of sealing exterior stone..too many issues. Just selll them on maintenanceOn Tue, Mar 3, 2015 at 10:45 PM, Randy Frye <rfrye@comcast.net> wrote:Just a thought
http://www.drytreat.com/cleaners/regular/hanafinn-eff-erayza.html
> <IMG_1403.JPG><image1.JPG>
> On Mar 3, 2015, at 6:58 PM, Justin <justin@jmcstoneandtilecare.com> wrote:
>
>
> I'm putting a estimate together for this slate patio and also around the pool. It's got combinations of efflorescence and rust stains. I'm looking for suggestions on a good aim of attack. They understand it wasn't the best choice but want to keep it maintained and sealed I'm hoping to get them on a maintenance program suggestions would be greatly appreciated.
> Thank you
> Justin
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