Have any idea if it would work on asphalt sealer?

I would not recommend it, but it would likely work. The reason I think you should not use it is that it turns white, sort of bleaching the concrete to its original white color. You would end up with a big white spot

Will this product work if I have already tried a degreaser and laundry detergent on a very large oil stain (half of a parking space)?

It depends on the degreaser, some are harsher than others and can be harmful to the microbes in the product, leading to not so great results. A degreaser can damage Asphalt, so hopefully you are talking about a concrete area, rather than an asphalt area. Laundry detergent usually does not hinder TERMINATOR-HSD in any way.Thanks,DanielTerradis

Does this product work on old stains? Also, I have a wide area that is covered in old stains....maybe stains on top of stains. Would this work?

Ronda,Yes, the product works on old stains. But, if you have dried caked-on oil covering the surface of the concrete it must be scrubbed away and removed prior to using TERMINATOR-HSD. Keep in mind that this product is a stain remover, not a "volume of oil" remover. The product must have access to the pores of the concrete to work effectively. If you can see the pores of the concrete, you should be okay.Terradis

Is it ok to park a car top of this product while it's on the garage floor? Will it harm the car tires?

Yes it's okay to park on it, the powder is not harmful at all to tires.

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Terminator-HSD Concrete Oil Stain Remover Eco-Friendly Bio-Remediates and Removes Oil & Grease Stains on Concrete and Asphalt Driveways, Garages, Pavers, Patios, Parking Lots and Streets(2 LB)

Product ID: 16737464

Details

Brand
Item Form
Powder
Material Feature
Biodegradable
Scent
Concrete
Specific Uses For Product
Concrete

🌱100% biodegradable formula

♻️bio-remediates oil into CO2 & water

🛠️covers up to 400 sq ft per 2 lbs

¥17150

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

♻️ Clean smarter, not harder—driveway stains don’t stand a chance!

ECO POWER CLEAN - Harness nature’s own process to permanently break down oil stains without harmful runoff.
EFFORTLESS COVERAGE - Treat large driveways and patios easily with just one 2 lb pack covering up to 400 sq ft.
CHEMICAL FREE CONFIDENCE - No scrubbing, no rinsing, no toxic residues—just mist and watch the magic happen over weeks.
VERSATILE SURFACE SAVIOR - Perfect for concrete, asphalt, pavers, garages, parking lots, and more—one product, endless applications.
SUSTAINABLE STAIN SOLUTION - Join the green cleaning revolution by choosing a product that protects your community’s waterways.

Terminator-HSD is a concentrated, eco-friendly powder that bio-remediates oil and grease stains on concrete and asphalt surfaces by converting hydrocarbons into harmless CO2 and water. Covering up to 400 sq ft per 2 lb pack, it requires no scrubbing or rinsing and works over 4-6 weeks with weekly misting, making it a sustainable and effective solution for large outdoor stains.

Specifications

ASIN	B00OAVXPAM
ASIN	B00OAVXPAM
Best Sellers Rank	#23,451 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #138 in Commercial All-Purpose Cleaners #8,358 in Household Cleaning
Brand Name	Terminator-HSD
Customer Reviews	4.0 4.0 out of 5 stars (2,004)
Date First Available	October 8, 2014
Item Form	Powder
Item Volume	0.2 gallons
Item Weight	2 pounds
Item model number	SYNCHKG063227
Manufacturer	Terminator-HSD
Manufacturer	Terminator-HSD
Material Feature	Biodegradable Warning
Material Features	Biodegradable
Model Number	SYNCHKG063227
Number of Items	1
Part Number	680474074464
Product Dimensions	3.7 x 3.7 x 6.14 inches; 2 pounds
Scent	Concrete
Size	32 Ounce (Pack of 1)
Special Features	Concentrated
Specific Uses For Product	Concrete
Surface Recommendation	Concrete
UPC	680474074464
Unit Count	32 Ounce

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