Can I use CLR on concrete? While CLR is generally safe and effective in removing calcium, lime and/or rust from concrete, always spot test in an inconspicuous area first. Do not use CLR on coloured/tinted concrete, concrete poured less than 1 year ago, concrete that is stamped, sealed or coated.
A: While our CLR Calcium, Lime and Rust Remover (in the grey bottle) is safe to use on concrete, we recommend using a 50/50 blend of CLR and warm water solution, pick an inconspicuous SPOT TEST AREA FIRST (to see if there will be any chemical reaction between our product and your concrete).
CLR may etch older sinks, tubs, and tiles. Avoid contact with wood, clothing, wallpaper, carpeting, natural stones, brass, copper, aluminum, galvanized metals, any painted, coated or sealed surfaces.
Don't leave CLR for longer than two minutes.
Again, CLR is acidic, which makes it effective, but also means it can cause damage if left in contact with surfaces for too long. Always rinse away with cool water after two minutes of contact.
The answer lies in the type of stain you're dealing with. Vinegar is better for everyday dirt, while CLR works best on soap scum. But if you have issues with rust and hard water stains, you might want to reach for that bottle of CLR first! CLR and vinegar are both used for cleaning different types of stains.
White vinegar and a little scrubbing with a brush is a very effective, eco-friendly way to remove rust stains from concrete—even those that are decades old. Pour the white vinegar directly onto the stain, allow the liquid to penetrate the area for 20 minutes, and scrub with a stiff-bristled brush.
Calcium Chloride
This is a popular snow-melt product that's considered one of the best options for concrete. It's effective at lower temperatures (down to -26 degrees Fahrenheit) and works by breaking the bond between the surface of concrete and ice.
Over time, your concrete driveway may look unsightly with dirt and rust stains. Use CLR for a routine clean to give your driveway a quick and easy makeover.
What chemical will clean concrete? If you have mildew stains, the best chemical to clean concrete is trisodium phosphate. Combine two tablespoons of the chemical with two tablespoons of powdered laundry detergent and one-quart water. Then, apply it to the stained area and scrub using a stiff brush.
Lemon juice and white vinegar are both great options, but even Coca-Cola can remove minor rust stains on concrete because of its high phosphoric acid content.
Skin Mild Irritant. Prolonged contact may cause dermatitis, and itching. Inhalation No adverse effects expected under typical use conditions. Ingestion Oral burns, vomiting, and gastrointestinal disturbance.
If you need to get rid of rust from concrete, your best bet is to use some WD-40 Multi-Use Product, and some elbow grease. WD-40 is specially formulated to be a penetrant, so when you spray it on a rusted surface, it gets to work right away by getting under the rust.
It warms the concrete mixture and allows workability of placement in cold weather. By using Calcium Chloride in ready mix, it develops high early strength.
Calcium chloride in concrete can cause concrete discoloration. Flake or pelletized calcium chloride, when not mixed uniformly, discolors more than liquid calcium chloride. 2. The type, kind, and condition of formwork can influence surface color.
Calcium chloride decreased the time of set of 11 com- mercial cements and increased the flow and the strength of the resulting concrete. The physical properties of the experimental cements were similarly affected by the addition of calcium chloride.
You can fill a spray bottle with a 50/50 mixture of vinegar and water, adding a few drops of liquid dish soap. Spray this solution directly onto the concrete, letting it rest for around half an hour. If you leave it on too long, the vinegar can eat through concrete parts.
These cleaners are quite corrosive, so never let CLR cleaners soak overnight. As an alternative to CLR cleaners, you can try using white vinegar to remove the stains you see in your home.
CLR can be mixed with warm water, 1 of three ways depending on the stain. For light stains and buildup, a diluted mixture is recommended. For more stubborn buildup, full strength is recommended, but only when diluted has been tried first.
So does coke remove limescale? Yes. The acid in coke will help to dissolve limescale and there are several examples of it being used to clean toilets, descale kettles and in other circumstances.