MRKNNEE Posted June 10 Share Posted June 10 (edited) 18 hours ago, RK Racing said: For that spot that you cleaned up, approximately how much of that bottle did you use? Thanks. Maybe 1 quart. I wound up using 7 gallons over a very large area. after cleaning the rust, the concrete was white. I liked it so much, I just sprayed the entire area to even it out. It's $9.48 pr gallon at Home Depot. I found that all stores don't carry the same inventory for some reason. I bought it at the Covina store. Some areas required a second treatment due to the density of the rust. 7 gals did about 750 sq.ft. Edited June 10 by MRKNNEE 1 Quote Link to comment Share on other sites More sharing options...
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