Brothers' Gravestones Completely Grown Over

A pair of brothers in the graveyard had their markers nearly COMPLETELY grown over. It bothered me a bit, so I cleaned them up as best I could. They lay at a local cemetery. I called the director of the cemetery and asked permission to clean some headstones. I was granted permission and found these two gentlemens' markers.
Q: What tools are you using?
A: Amazon affiliate links for what I used:
Magic Juice (WAS NOT USED ON THESE HEADSTONES AS THEY ARE NOT WHITE MARBLE): amzn.to/2X10PzX
Konex peanut brush: amzn.to/3ySMP8C
OTIS detail brushes: amzn.to/3DVmNW4
Surecan Utility Transfer Can: amzn.to/2YBXh80
SunJoe Grass Shears: amzn.to/3jOtdOu
Q: What is the gravestone made of?
A: I THINK bronze or brass. One of the markers had what looked like a polished granite border, the other was concrete. Regardless, I did not use ANY chemicals on them, just water and made sure the brush I used was thoroughly rinsed so no residual chemicals remained.
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The products I use: www.amazon.com...
Copper Creek Cuts is a lawn care and landscaping business in Florida with a goal to entertain and educate.
Contact me: [e-mail]