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Biological Growth


We have all seen it moss, mold and algae growing on gravestones, it happens no matter what part of the world you are in. It does contribute to the deterioration of the stone, so if you can clean it off it’s going to help the stone last longer. However, if the stone shows signs of chipping, scaling, flaking or other forms of deterioration, leave it as is. You will do more harm then good.

Before cleaning a stone with biological growth on it always were a mask and use rubber gloves. You don’t want to affect your health in any way.

Certain types of growth can be removed quickly and effectively with a plastic or wood scraper, start with this first. As you see in the picture above the green moss can grow very high off the stone. A wood shim works well as it is less likely to scratch the stone. Go slow and soft when scraping off the biological growth.


Once you have scraped off any high growth then take a soft bristled, plastic nylon dry brush. Be sure that it’s dry, so that you are just brushing off as mush of the growth as you can.

You now have a choice to use some products or not. One product you can use is D/2 Biological Solution is a safe, easy to use liquid that is a terrific cleaner of the stains and soils caused by biological growth and you can order it from Lime using coupon code of “saveagrave” and receive a discount. Another good product to use is Bio-Wash, this you might be able to locate at a local store. Visit hit Distributor at the top right and place your zip code in the box, to find a location. Bio-Wash removes light-to-moderate stains of fungi, algae, lichen and bacteria. Always follow application procedures on any product you use.

If you choice not to use a product. You can now wet the stone down with lots of water. Move on to read our page “Cleaning A Gravestone”


Supply list below – Click on pictures to buy

pictureStandard Sprayer

picture3M Particle Respirator

picturePlastic Putty Knives

GlovesRubber Gloves

pictureWood Shims


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