Super Iron Out to the Rescue.
This fall I had plumbers do some work and they were cutting out the cast iron pipe outside....
When they left and after the 1st rainfall, there was a tonnage of rust everywhere .....
I tried pressure washer with no luck.
I went the next step aggressive with oxacilic acid and pressure washing.
It got clean about 70% percent but on the next 3 rainfalls, all the rust came back.
I used Super Iron out today and it seems to have done the trick.
We'll see whether the rust blooms come back after a couple of rainfalls but I think we're in the clear.
Hopefully this helps someone else down the road. Muratic acid, etc was all chemicals I was avoiding unless truely needed.
Last edited by Terry; 05-23-2012 at 10:55 AM. Reason: added link
P.S. Now that the sun has got it all nice and dried.
It's a great concrete brightener as well '-)