how do i use it ? is it safe for any car ?

I use it in combination with Marvel Mystery oil to make an fuel system cleaner. 5 parts MM to 1 part Heet. Works well in 3 cars I own - 2 Japanese and 1 German made.

Red bottle versus yellow bottle?

I hope 5 years later David was able to find a new job. You can use this in any gasoline or diesel engine. The difference is the ISO (red bottle) contains isopropyl alcohol. The yellow bottle contains methanol. Isopropyl alcohol evaporates faster therefore removing the water faster. Methanol is better at lowering the water's freezing point. They both do both but just different ways.

Can I use these in my Yamaha outboard?

Yes, any motor,engine that runs on gasoline, I used it on a snow blower

Isopropyl vs methanol Heet for removing water, one combine the water so it can be burned out, the other does not. Anybody know which one?

At one point isopropyl was the only one recomended for fuel injected and other engines. I think it has less acidity than ethanol and methanol. It is the only one I keep in stock because it's safe and effective in all engines. I don't have to worry about someone using the wrong one.

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Iso-HEET

Product ID: 6618410

Details

Brand
Heet
Exterior Finish
Plastic
Inlet Connection Size
2.2 inches
Inlet Connection Type
Compression
Item dimensions L x W x H
8.35 x 3.25 x
Material
Plastic

⛽treats 20 gallons fuel

💧5x water absorption

🛡️rust & corrosion prevention

111 kr

Duties & taxes included

In stock

Sold byAmazon NorwayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Keep your engine flawless—beat moisture before it beats you!

EFFORTLESS FUEL CARE - Easy-pour 12 oz bottle treats up to 20 gallons of fuel for consistent protection with every fill-up.
ULTIMATE WATER DEFENSE - Absorbs 5 times more water than standard gas dryers to keep your fuel system pristine.
INJECTOR CLEANING POWER - Cleans fuel injectors every 5,000 miles, enhancing engine performance and efficiency.
YEAR ROUND ENGINE SHIELD - Prevents rust and corrosion in both 2 and 4 cycle gas and diesel engines, no matter the season.
WINTER READY FUEL PROTECTION - Prevents fuel line freeze-up in below-freezing temperatures, so you never get stranded.

HEET Iso-HEET is a premium 12 oz fuel additive that absorbs up to 5 times more water than regular gas dryers, preventing rust, corrosion, and fuel line freeze-up. Designed for all 2 and 4 cycle gas and diesel engines, it treats 20 gallons of fuel per bottle and cleans injectors year-round, ensuring optimal engine performance and reliability.

Specifications

ASIN	B000V4HC7Y
Best Sellers Rank	#1,911 in Automotive ( See Top 100 in Automotive ) #19 in Antifreezes & Coolants
Brand Name	Heet
Customer Reviews	4.7 4.7 out of 5 stars (3,421)
Exterior Finish	Plastic
Global Trade Identification Number	00073905282024
Included Components	Iso-heet Premium Fuel Line Antifreeze Bottle
Inlet Connection Size	2.2 inches
Inlet Connection Type	Compression
Item Dimensions	8.35 x 3.25 x 2.2 inches
Item Highlight	Dry gas fuel additive that removes water, helps prevent fuel line freeze-up, and cleans injectors year-round.
Item Type Name	ISO Heet Anti-freeze
Item Weight	2.4 ounces
Manufacturer	Gold Eagle Co.
Manufacturer Part Number	770-196
Manufacturer Warranty Description	1 Year Limited
Material Type	Plastic
Model Number	28202
Number of Items	1
Number of Packs	1
Number of Pieces	1
Number of Ports	1
Outlet Connection Size	2.2 inches
Outlet Connection Type	Pour
Size	12 Ounce
Thread Size	2.2 inches
Thread Type	Standard bottle thread
UPC	073905282024
Unit Count	12 Fluid Ounces
Valve Type	check valve

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