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 GP QT Plus 2 in 1 Cleaner & Sealer for Granite, Marble, Travertine, Limestone, Ready to Use, 1-Quart (32oz)

Product ID: 263566647

Details

Brand
Black Diamond
Item form
Spray
Material features
Natural
Scent
Travertine
Specific uses for product
Countertop

🧪pH neutral, no-rinse formula

🧴2-in-1 cleaner & sealer

🛡️built-in stain protection

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€ 67.30

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Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✨ Elevate your stone care game with daily protection & shine 🛡️

MULTI SURFACE VERSATILITY - Perfect for granite, marble, travertine, limestone, quartz, and more—your all-in-one stone guardian.
HYPOALLERGENIC FOOD SAFE - Safe for kitchen counters and food prep areas with a gentle, pH neutral formula—no rinsing needed.
DAILY DEFENSE AGAINST STAINS - Every spray strengthens your stone’s resistance to coffee, wine, oil, and even peanut butter spills.
EFFORTLESS STREAK FREE SHINE - Keep your granite and stone surfaces flawlessly clean without any residue or haze.
PROFESSIONAL STONE CARE ENDORSED - Trusted and designed by stone care experts, made proudly in the USA for premium quality.

Black Diamond Stoneworks GP QT Plus is a premium 2-in-1 cleaner and sealer designed for natural stone surfaces like granite, marble, and limestone. Its pH neutral, no-rinse formula safely cleans while reinforcing stain protection daily, making it ideal for busy kitchens and high-traffic stone areas. Endorsed by professionals and made in the USA, it ensures effortless maintenance and lasting beauty for your stone surfaces.

Specifications

ASIN	B002LGY10G
ASIN	B002LGY10G
Best Sellers Rank	#64,556 in Health ( See Top 100 in Health ) #50 in Household Kitchen Stone Surface Cleaners
Brand Name	Black Diamond Stoneworks
Contains Liquid Contents?	Yes
Customer Reviews	4.3 4.3 out of 5 stars (4,837)
Customer reviews	4.3 4.3 out of 5 stars (4,837)
Global Trade Identification Number	00679773112021
Included Components	GRANITE PLUS! 2 in 1 Cleaner & Sealer for Granite, Marble, Travertine, Limestone, Ready to Use
Is Discontinued By Manufacturer	No
Item Form	Spray
Item Type Name	2 in 1 Cleaner & Sealer for Granite, Marble, Travertine, Limestone, Ready to Use
Item Volume	32 Fluid Ounces
Item Weight	998 g
Item model number	GP QT
Manufacturer	Black Diamond Stoneworks
Manufacturer	Black Diamond Stoneworks
Material Features	Natural
Material Type Free	Chlorine Free
Model Number	GP QT
Number of Items	1
Part Number	GP-Q
Product Dimensions	11.43 x 6.35 x 22.86 cm; 997.9 g
Scent	Travertine
Size	946 ml (Pack of 1)
Special Features	PH Neutral, Streak Free
Special Ingredients	Hydrogen Peroxide
Specific Uses For Product	Countertop
Surface Recommendation	Tile,Granite,Stone
UPC	679773112021
Unit Count	32 Fluid Ounces

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