What is the difference between 511 Porous Plus Penetrating Sealer and 511 Impregnator Penetrating Sealer? I need it for concrete kitchen countertops.

I used two coats of the 511 Impregnator Sealer on the white grout between my porcelain floor tiles in my kitchen. Despite frequent cleaning, it wasn't long before the grout became discolored, until now where it is black. Would the 511 Porous Plus be more effective in keeping the dirt out of the grout? If I should apply the Porous Plus, how do I prepare the grout after I clean it?

How many sq feet does a pint cover?

It depends on what you are sealing. For slate, flagstone and Saltillo about 250-300 sq. ft. per quart. For polished stone--granite, marble --likely 1000 sq. ft. per quart. For slate I use about 1 Qt. per 300 sq. ft. A bit more with Travertine. It does a great job. I recommend their cleaner prior to sealing. A Pint of the cleaner goes a long way. Hope this helps.

I used this to seal marble tile and grout. I had used another product in my other shower which worked fine with my kitchen granite counter tops, but marble and grout are more porous. After applying this product two time with paintbrush and then wiping down five minutes afterwards with moist towel, my shower was sealed real nice. I even went back and re-did my other shower. I found it best to pour a little bit in cup and apply in uniform direction with brush and wiping down in same direction. This stuff is top notch, but open a window or turn on an exhaust fan as it has a potent smell.

Can this be used effectively on a slate floor?

According to the instruction label on the back of the product, yes, it can be used on a slate floor.

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Miracle Sealants 511 Porous Plus 946ml (US QT) The Best Performing Penetrating Sealer on the Planet

Miracle Sealants 511 Porous Plus 946ml (US QT) The Best Performing Penetrating Sealer on the Planet

Product ID: 49062048

Details

Brand
Miracle
Item dimensions L x W x H
13.2 x 13.2 x
Item weight
794 g
Material
Silicone
Style
Compact

📏Covers up to 4000 sq. ft./gal on polished surfaces

🍽️Safe for food-contact areas

🛡️Superior weather & UV resistance

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VT48947

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Seal the deal with the ultimate stone shield—because your surfaces deserve the best!

ULTRA WIDE COVERAGE - One quart seals up to 4000 sq. ft. on polished stone—maximize your project with fewer coats.
EFFORTLESS APPLICATION - Easy-to-use sealer that requires only two coats for long-lasting, stain-resistant results.
ENHANCES NATURAL STONE - Slightly deepens color for a richer, more vibrant finish that elevates your design aesthetic.
FOOD SAFE TRANSPARENT - UV-transparent formula that’s safe for kitchen backsplashes and food prep areas—beauty meets safety.
UNMATCHED SURFACE PROTECTION - Penetrates deep to shield both interior & exterior surfaces from stains and weather damage.

Miracle Sealants 511 Porous Plus is a premium penetrating sealer designed for both interior and exterior use. It offers superior weather and UV resistance while being safe for food-contact surfaces. With coverage up to 4000 sq. ft. per gallon on polished surfaces, it delivers efficient, long-lasting protection that enhances natural stone’s appearance and durability.

Specifications

ASIN	B000VX97SM
Best Sellers Rank	646,702 in DIY & Tools ( See Top 100 in DIY & Tools ) 5,503 in Sealers
Brand	Miracle Sealants
Colour	Clear
Compatible Material	Wood, Concrete, Stone, Metal, Glass, Porous Surfaces
Customer Reviews	4.5 out of 5 stars 882 Reviews
Global Trade Identification Number	00753927511264
Item Dimensions	13.2 x 13.2 x 5.8 centimetres
Item Form	Liquid
Item Weight	1.75 Pounds
Item dimensions L x W x H	13.2 x 13.2 x 5.8 centimetres
Item weight	1.75 Pounds
Manufacturer	Miracle Sealants
Manufacturer Part Number	PLUSQT6
Material	Silicone
Model Number	PLUSQT6
Number of Items	1
Style	Compact
Style Name	Compact
Surface Recommendation	Glass, Metal, Polished Stone, Wood, Concrete, Masonry
UPC	753927511264
Unit Count	946.0 millilitre
Water Resistance Level	Water Resistant
Water resistance level	Water Resistant

Reviews

B**O

Awesome

3.05.2021

A**D

Una maravilla

Muy poderoso , concentrado rinde mucho !

7.09.2019

B**L

Repels water somewhat.

28.03.2026

C**P

Great product

23.03.2026

A**S

excelente

1.09.2019

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