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At Forest Fundamentals, we are longtime UCO lantern users. Over the years, we’ve made numerous DIY Oil Inserts from old aerosol cans. Eventually, we decided to create our own—introducing the Forest Fundamentals Oil Inserts! COST EFFECTIVENESS: Oil Inserts are far more cost-effective than candles. A 20-pack of candles costs approximately £
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I haven't been able to use it yet, I'm waiting for a specific oil. However, The lantern insert comes very well packaged, it is very well machined and very well presented. There are a number of other items including a case, spare wick, scissors and o-rings. In my opinion you get an excellent kit that is well worth the money. I'm looking forward to the mini lantern version.
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Tony · October 31, 2026
A very well built item and came well packaged with accessories like spare wick, lanyard and storage bag. Good detailed instructions inside packing tube. A little bit of experimenting for ideal flame length for lantern easily achieved.
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Warren · October 14, 2026
Had no idea that Uco oil inserts or FF even existed; saw mention in an amazon review and immediately ordered four. Website photos do not do the craftsmanship of the inserts justice---painstaking attention to detail in aluminum machining, gaskets assuring no leaks when horizontal in a bag, orange lanyard for wick lid prevents misplacing, and meticulous fit in a Uco lantern/candlelier. Have had a collection of Uco lanterns for over 20 years and been buying wax candles in the proprietary Uco shape because I never knew anything better. Now I know better, and will surely be using much more often. These inserts are the proverbial better mousetrap!