Will it work for grave stone made of granite? Want to clean and polish it.

it should, if the surface is rough it may soak up quite a bit of the product initially though. I'd bring a couple heavy duty rags to apply it evenly.

Can this me used on an unsealed limestone hearth?

Yes, but this will not really seal your stonework. Also note this cleaner is no more effective than basic soap and water cleaning. If it is new limestone, I recommend getting it professionally sealed first or at least using a basic sealer like Black Diamond Nex-Gen Natural Stone Penetrating Sealer and then using a stonework polish if you want some luster.

Can this be used on floors?

Hi Patricia, It absolutely can be used on floors. I use this on my polished travertine floors all the time.

do you need a separate sealer or will this be able to seal just on its own?

Use the Black Diamond sealer initially and then you can use this product to clean and seal. It is a fabulous product and I use it daily to keep the counter looking good as new (our granite is in our bathroom and between hairspray and cosmetics, dirt can build up fast.). We used the sealer initially four years ago and counter looks good as new today.

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Black Diamond Stoneworks Granite Plus! 2 in 1 Cleaner & Sealer for Granite, Marble, Travertine, Limestone, Ready to Use! (1 Quart/1 Gallon)

Product ID: 684874594

Details

Brand
Black Diamond
Item form
Wipe
Item volume
160 Fluid
Material Type Free
Acid Free
Material feature
Natural
Scent
Travertine

✨streak-free shine

🧴2-in-1 cleaner & sealer

🛡️Nex-Gen stain protection

Description

🖤 Elevate your stone care game—clean, seal, and protect like a pro!

INVISIBLE ARMOR - Advanced Nex-Gen sealer blocks stains from oil, wine, coffee, and daily spills.
DUAL ACTION POWER - Cleans and seals in one effortless step—save time without sacrificing shine.
NO RINSE CONVENIENCE - Leaves a spotless, streak-free finish with zero residue—just spray and wipe.
SAFE FOR EVERY SURFACE - pH-neutral, non-toxic formula perfect for granite, marble, quartz, travertine, and more.
PROFESSIONAL GRADE MADE IN USA - Trusted by stone care pros and crafted in San Clemente, CA for unmatched quality.

Black Diamond Stoneworks Granite Plus is a professional-grade 2-in-1 cleaner and sealer designed for daily maintenance of natural and engineered stone surfaces. Its pH-neutral, non-toxic formula cleans without streaks while applying a protective barrier infused with Nex-Gen sealer to guard against stains from oil, wine, coffee, and everyday spills. Ready to use with no rinsing required, it’s trusted by professionals and proudly made in the USA.

Specifications

ASIN	B06XS6H1XM
ASIN	B06XS6H1XM
Brand Name	Black Diamond Stoneworks
Contains Liquid Contents?	Yes
Customer Reviews	4.6 4.6 out of 5 stars (253)
Customer reviews	4.6 4.6 out of 5 stars (253)
Guaranteed software updates until	unknown
Is discontinued by manufacturer	No
Item Form	Wipe
Item Volume	160 Fluid Ounces
Manufacturer	Black Diamond Stoneworks
Manufacturer	Black Diamond Stoneworks
Manufacturer reference	GP-QG
Material Features	Natural
Material Type Free	Acid Free
Number of Items	2
Part Number	GP-QG
Product Dimensions	18.42 x 19.05 x 31.75 cm; 5.41 kg
Scent	Travertine
Size	1.9 l (Pack of 2)
Special Features	PH Neutral, Streak Free
Special Ingredients	Hydrogen Peroxide
Specific Uses For Product	Floors,Showers
Surface Recommendation	Marble
Unit Count	3785.41 millilitre

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