You just need enough dish soap to make the water sudsy.
Dip the brush back into the mixture as it gets grimy. If you need to, wash the brush or broom out with a hose or in the sink. On stubborn areas, you can try a solution of half water, half vinegar or lemon juice. [4] X Research source
On a counter, you can also use a clean cloth to rinse it off.
You can find these nozzles at your home improvement store. You can also use a power washer, but it can scour the stone if you’re not careful. You can also try a sprayer nozzle, but that may not be powerful enough.
If the cleaner causes a change in the stone color (after it dries), you shouldn’t use it on the stone. Be aware, though, that just lifting the grime off the stone can affect the color, so make sure it’s the actual stone that’s changing color.
Oxidizers work by adding oxygen to the area, removing stains and grime. Bleach is an oxidizer, but many other cleaners are oxidizers, too, which is actually an oxygen bleach cleaner. Don’t use this cleaner in direct sunlight, as it may evaporate before it can work. Pick a cleaner like Stain Solver for this purpose.
Never mix ammonia and bleach, as the solution creates toxic gases!
Organic stains include food, coffee, fecal matter, urine, and even blood stains.
If your bluestone is on a door or window fixture, sweep off debris with a brush at least once a week.
If you’re outside, you can spray the area down with a hose.
You can also use a scrubbing brush or broom and soapy water to clean up bigger spills. Make sure to dab up the spill first, though. Spills can stain natural stones like bluestone if they’re left to set.
