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 Penetrating Stone & Tile Sealer, Quart

Miracle Sealants 511 Porous Plus Penetrating Stone & Tile Sealer, Quart

Product ID: 11257361

Details

Brand
Miracle
Item Weight
1.8 pounds
Item dimensions L x W x H
5.2 x 5.2 x
Material
Water
Style
Sealant

🏡Indoor & outdoor versatility

💧Superior water resistance

🛡️SCS Certified Indoor Advantage Gold

₨1727

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Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Seal your space with confidence—protection that’s invisible but undeniable!

SLIP SAFE SURFACES - Hardens porous materials to reduce slipperiness and enhance safety
ALL WEATHER WARRIOR - Weather-resistant formula guards surfaces inside and out, rain or shine
EFFORTLESS ELEGANCE - Maintains original texture and appearance—no shine, no cloudiness
LONG TERM PEACE OF MIND - Backed by up to 20 years satisfaction guarantee for lasting protection
INVISIBLE SHIELD VISIBLE CONFIDENCE - Penetrates deeply to protect porous stone & tile without altering natural look

Miracle Sealants 511 Porous Plus is a premium penetrating sealer designed for porous natural stone and tile surfaces. It forms a transparent, breathable barrier that repels water, stains, and moisture while preserving the surface’s natural look and texture. Suitable for both indoor and outdoor use, it enhances surface hardness and slip resistance without adding shine. Certified for indoor air quality and backed by a 20-year satisfaction guarantee, it’s the trusted choice for professionals and homeowners seeking durable, invisible protection.

Specifications

ASIN	B000VX97SM
Best Sellers Rank	#11,640 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #42 in Hardware Sealers
Brand Name	Miracle Sealants
Color	Clear
Compatible Material	Stone, Terracotta
Customer Reviews	4.5 4.5 out of 5 stars (1,340)
Global Trade Identification Number	00753927511264
Included Components	Penetrating Sealers
Item Dimensions	5.2 x 5.2 x 2.3 inches
Item Form	Liquid
Item Highlight	Deep penetrating stain & water protection for porous materials - natural stone, slate, travertine, limestone , tile & grout.
Item Type Name	Penetrating Sealers
Item Weight	1.8 pounds
Manufacturer	Rust-Oleum
Material Type	Water
Model	PLUSQT6
Number of Items	1
Number of Packs	1
Part Number	PLUSQT6
Style Name	Sealant
Surface Recommendation	Tile
UPC	753927511264
Unit Count	32 Fluid Ounces
Warranty Description	Satisfaction guaranteed up to 20 years from the date of purchase to the original purchaser.
Water Resistance Level	Water Resistant

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