Rabu, 03 Juli 2013

How can I remove rust stain from a concrete driveway?

pressure washer 500 psi on ... 3,100 PSI 2.8 GPM 212cc OHV Gas Powered Pressure Washer reviews images
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missbeehay


I have tried a pressure washer with special concrete concentrate, straight bleach and even KLR but nothing seems to take it off? Any other suggestions?


Answer
How to Remove Rust Stains from a Driveway

Iron can leave rust marks on your concrete drive that may seem impossible to remove. Here are some methods to use for removing those unsightly red stains.

Steps:
1. Mix 1 ounce of tri-sodium phosphate (TSP) in a gallon of hot water. This chemical can be found at hardware and paint stores. Wet the concrete and use a scrub brush to apply the solution. Scrub vigorously and let the solution soak into the concrete for 10 to 15 minutes. Rinse well.

2. Try a product called Iron Out, which is sold in plumbing supply stores.

3. Combat really bad stains with a pressure washer and muriatic acid. Apply the acid as directed by the manufacturer, leave it to soak for a few seconds, and follow with a pressure washer set at 2,500-3,000 psi. Sprinkle baking soda over the cleaned area to neutralize the acid and wash again.

Anyone give me your opinion on what size pressure washer to buy or name brand??




lift&shift


I need a pressure washer that will take chunks of mud off atv's and trucks but still be able to wash a car without damaging it.I have an electric 1500psi now and it isnt powerful enough.Want to buy a new one but not sure what size i really need.I have seen the 3000 psi's for around $400 but do i really need one that big??Any opinions anyone on what you have or have used before??Thanks.


Answer
I have a sears 2,500 psi and I love it, I bought it on sale a couple of years ago for under $300 and mainly use it for washing my vinal siding on the house and garage. it has a 6 HP engine on it and will clean anything off concrete and I'm sure what you need it for it would do a great job.




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