![Do I have to buy this echo oil to mix with gasoline? Hardware keeps saying if I buy any other brand I void my warranty. Its extremely pricey and there's my trimmer : Do I have to buy this echo oil to mix with gasoline? Hardware keeps saying if I buy any other brand I void my warranty. Its extremely pricey and there's my trimmer :](https://i.redd.it/do-i-have-to-buy-this-echo-oil-to-mix-with-gasoline-v0-sl5f1zyx3u9a1.jpg?width=2160&format=pjpg&auto=webp&s=61384599a7f409bb5a1100f8ac567e1e2cf00818)
Do I have to buy this echo oil to mix with gasoline? Hardware keeps saying if I buy any other brand I void my warranty. Its extremely pricey and there's my trimmer :
![Amazon.com: The ROP Shop (192) OEM Echo Oil 5.2 oz Bottles 50:1 Gas Oil Mix for HC-150 HC-155 Hedge Trimmer Amazon.com: The ROP Shop (192) OEM Echo Oil 5.2 oz Bottles 50:1 Gas Oil Mix for HC-150 HC-155 Hedge Trimmer](https://m.media-amazon.com/images/I/71b2sIws43L.jpg)
Amazon.com: The ROP Shop (192) OEM Echo Oil 5.2 oz Bottles 50:1 Gas Oil Mix for HC-150 HC-155 Hedge Trimmer
![Amazon.com : ECHO SHC-225S COMMERCIAL SERIES HEDGE TRIMMER : Power Hedge Trimmers : Patio, Lawn & Garden Amazon.com : ECHO SHC-225S COMMERCIAL SERIES HEDGE TRIMMER : Power Hedge Trimmers : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/71NI9XA+kpL.jpg)
Amazon.com : ECHO SHC-225S COMMERCIAL SERIES HEDGE TRIMMER : Power Hedge Trimmers : Patio, Lawn & Garden
![Echo Part # HC-155 - Echo 24 In. 21.2 Cc Gas 2-Stroke Hedge Trimmer - Trimmers & Edgers - Home Depot Pro Echo Part # HC-155 - Echo 24 In. 21.2 Cc Gas 2-Stroke Hedge Trimmer - Trimmers & Edgers - Home Depot Pro](https://content.interlinebrands.com/product/Image/Detail/10065/205587564_usn.jpg)
Echo Part # HC-155 - Echo 24 In. 21.2 Cc Gas 2-Stroke Hedge Trimmer - Trimmers & Edgers - Home Depot Pro
![ECHO 38 in. 21.2 cc Gas 2-Stroke Engine X Series Single-Sided Hedge Trimmer HCS-3810 - The Home Depot ECHO 38 in. 21.2 cc Gas 2-Stroke Engine X Series Single-Sided Hedge Trimmer HCS-3810 - The Home Depot](https://images.thdstatic.com/productImages/52d0125a-a8b5-49a9-afd0-6371994b6804/svn/echo-gas-hedge-trimmers-hcs-3810-64_1000.jpg)