Hi Boys and Girls
I need your help.
Some time ago I did a concrete block job, and now the brick cleaners have botched the cleaning job, now the builder rekons its up to me to rectify the blockwork.
And by rectify, I mean fork out money. ($30,000):eek:
What should have the cleaner have used to clean the blocks?
I know ordinary acid is out, but what else is available?
I need a web link to technical info, etc.
In Oz if possible
Help...........
Cheers, Al