D/2 Biological Solution - Stone Cleaner, Masonry, Gravestone, Headstone Cleaner as used on The White House - 0.946 Litres (1 US Quart)

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Granted, you shouldn’t use physical scrubbing for stones over 100 years of age, but that is my opinion only – please go to a professional monument company if you need to. No need to use a lot, just enough to see the surfactant bubble on the surface, meaning it’s enough to adhere to the surface of the monument.

The company also gave me an excellent tip of painting vaseline over some of the lettering which was starting to deteriorate. To prevent such releases into the atmosphere, growers use various tractor-drawn knives and shanks to place it at least 10 to 20 cm (4 to 8 inches) below the soil surface. Their reasons are about being fact based due to rigorous testing and analysis in accordance with the “do no harm” practices for cemetery preservation and restoration. At least, if it’s cleaned even once, you get your historical info and don’t ever need to clean it again unless you want to. Until we are able to find sufficient information, we will continue to support the use of non-ionic cleaners in the field of stone restoration.On April 23, 2022, D/2 Biological Solution, along with the National Park Service, National Center for Preservation Technology and Training, the Friends of Vicksburg, and an enormous crew of fantastic volunteers undertook a cleaning of the 18,000 veterans' headstones at Vicksburg National Cemetery. D/2 Biological Solution is a safe, effective, and easy-to-use liquid that removes stains on surfaces and architectural features caused by mould, mildew, algae, lichens, and air pollutants. Tested and used by the Department of Veterans Affairs and the National Park Service, D/2 is a biodegradable cleaner that is pH neutral and contains no salts, bleach or acids.

The following is a condensed version of the scientific lab reports compiled on the study of D/2, in combination with information and comparisons of another biological cleaner by the NCPTT. Monument slab cleaning AFTER – June 2014 NOTE – I did some overall light scrubbing one month after application by my choice, due to the fact that this is a slab monument that’s parallel to the ground and accumulates more encrusted bio-matter.By combining fire resistance with good acoustic and heat insulation properties, the product oers the widestvariety of design solutions. They are made in labs by chemists from a multitude of ingredients and ingredient proportions and combinations. It can be directly applied to soil as a plant nutrient or converted into a variety of common N fertilizers, but this requires special safety and management precautions.

My writing of this long article is to encourage you to make your family history count, and to help you preserve precious memories using the best headstone cleaner on the market. Aqua ammonia doesn’t need to be injected as deeply as NH3, which provides benefits during field application and has fewer safety considerations.

And there for, they worry the product is interfering with wicking, water travel, and natural water displacement in and out of the stone. D/2 was developed by conservationists who saw how other cleaners with acids and salt caused stone to deteriorate; they solved the problem entirely.

I used this product to clean my father-in-laws gravestone which i've planned on cleaning for months now but never got around to it. The Gravestone Cleaning Kit contains all of the proper tools necessary for cleaning gravestones safely and efficiently. They are frequently used for common household soaps and cleansers, but can also serve specific purposes in a lab setting. Small" is actually in the title of this because it is smaller than the other stone cleaning set we sell.Indicators– An indicator is a special type of compound that changes color as the pH of a solution changes, thus telling us the pH of the solution. Halo does not contain any acids or damaging alkalines such as sodium hydroxide which are not recommended for gravestone cleaning.