Welcome to the DoItYourself Forums!

To post questions, help other DIYers and reduce advertising (like the one on your left), join our DIY community. It's free!

Concrete cleaning mix ?


fatdaddy's Avatar
Member

Join Date: Oct 2003
Posts: 291
WV

03-12-17, 02:09 PM   #1 (permalink)  
Concrete cleaning mix ?

I was told once to use 3to1 3 water 1 gallon of bleach.
How about putting Sodium Hydrocloric in there??

Put that on let set 15min and then Pressure wash it??

 
Sponsored Links
Marq1's Avatar
Member

Join Date: Sep 2016
Posts: 1,480
MI

03-12-17, 03:19 PM   #2 (permalink)  
Save the chemicals and just pressure wash!

 
PJmax's Avatar
Group Moderator

Join Date: Oct 2012
Posts: 39,440
NJ

03-12-17, 03:32 PM   #3 (permalink)  
Are you trying to remove something from the concrete other than dirt ?


~ Pete ~

 
fatdaddy's Avatar
Member

Join Date: Oct 2003
Posts: 291
WV

03-12-17, 08:13 PM   #4 (permalink)  
I did pressure wash it but looked at it a month later and I see a black line from where my 25" surface cleaner went back and forth. it was driving into the drive way and you see it. I don't like it and will now go sideways but will put down some water/bleach as well.. it was my last job went looked at other jobs did not notice it as bad. I will also clean out my tips..

 
PJmax's Avatar
Group Moderator

Join Date: Oct 2012
Posts: 39,440
NJ

03-12-17, 09:44 PM   #5 (permalink)  
Does that surface cleaner use spinning 0 nozzles ?

The overlap point can sometimes be seen depending on the hardness of the concrete.
I use a handheld wand with the spinning nozzle to remove visible lines like that.

Name:  pw nozzle.jpg
Views: 40
Size:  4.4 KB


~ Pete ~

 
marksr's Avatar
Forum Topic Moderator

Join Date: Mar 2005
Posts: 42,085
TN

03-13-17, 04:39 AM   #6 (permalink)  
What chemicals to use depends mostly on what needs to be cleaned off. Bleach is good for mold/mildew, detergents like TSP are good for other types of grime. Sometimes scrubbing it in with an old broom is beneficial.

In your case it really sounds like an uneven cleaning job.


retired painter/contractor avid DIYer

 
Search this Thread