# Gas additives

**URL:** <https://community.cartalk.com/t/gas-additives/8065>\
**Category:** Maintenance/Repairs\
**Created:** [December 7, 2007, 4:43am UTC](https://community.cartalk.com/t/gas-additives/8065 "2007-12-07T04:43:12Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![skochel](https://avatars.discourse-cdn.com/v4/letter/s/977dab/32.png) [@skochel](https://community.cartalk.com/u/skochel)\
**Post date:** [December 7, 2007, 4:43am UTC](https://community.cartalk.com/t/gas-additives/8065/1 "2007-12-07T04:43:12Z")

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What is the difference between heet in a Yellow container and Heet in a red container?

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**Author:** ![SteveF](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/stevef/32/2_2.png) [@SteveF](https://community.cartalk.com/u/SteveF)\
**Post date:** [December 7, 2007, 12:38pm UTC](https://community.cartalk.com/t/gas-additives/8065/2 "2007-12-07T12:38:31Z")

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They are two simple but different chemicals. The red container has methyl alcohol while the yellow is filled with isopropyl alcohol. Both chemicals work the same way (allow water to mix with gasoline). The labels should tell you which one is more suitable for your car.

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**Author:** ![skochel](https://avatars.discourse-cdn.com/v4/letter/s/977dab/32.png) [@skochel](https://community.cartalk.com/u/skochel)\
**Post date:** [December 12, 2007, 1:37am UTC](https://community.cartalk.com/t/gas-additives/8065/3 "2007-12-12T01:37:33Z")

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Both the yellow and red containers say the same thing?

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**Author:** ![SteveF](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/stevef/32/2_2.png) [@SteveF](https://community.cartalk.com/u/SteveF)\
**Post date:** [December 12, 2007, 4:01am UTC](https://community.cartalk.com/t/gas-additives/8065/4 "2007-12-12T04:01:36Z")

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Then you may use either one.