Primitive Technology: Lime

  • Published on Mar 6, 2018
  • At the old hut site (the new one being temporarily cut off by flooding) I made lime mortar from the shells of rainforest snails by firing them in a kiln, slaking them in water, mixing them into lime putty. Limestone is basically calcium carbonate (CaCO3). The general source of lime is limestone and various other calcareous minerals, though shells, egg shells and coral are other sources of lime (for more information see video on Corporals Corner channel: or Skillcults channel: When heated above 840 degrees Celsius, the lime decomposes into calcium oxide (CaO) or Quicklime and releases carbon dioxide (CO2). When water is added to the quicklime it becomes calcium hydroxide Ca (OH)2 or lime putty. From here the calcium hydroxide can then be shaped into a form and allowed to set. Carbon dioxide enters the lime putty as it dries causing it to turn back into calcium carbonate. The new calcium carbonate has then set, remaining solid and water resistant.
    In my local geography, calcareous rocks such as limestone are absent leading to a difficulty in acquiring the feed stock for lime making. However, I was still able to make lime by collecting the shells of large terrestrial snails that are native to the rainforest here. The unoccupied shells of these snails were gathered up and stored at the hut. Fire wood was gathered and packed neatly into the kiln. Importantly, the firewood was stacked on top of the grate rather than underneath it in the firebox as is the normal procedure for firing pottery. Using an ordinary updraft pottery kiln in this configuration allows it to reach much higher temperatures than would be possible during normal use. The wood was lit from above and the fire burned down towards the grate. Alternate layers of shells and wood were added on to this burning fuel bed. After adding the last layer of wood to act as a “lid” to prevent heat loss from above I left the kiln to finish on its own, unsupervised. The whole process took about an hour and a half.
    When the kiln had cooled down a few hours later, I took out the calcined shells. Not shown in the video was the fact that some shells got so hot, the dirt stuck to them turned into slag and fused to them, possibly with the lime acting a flux lowering its melting point. This extreme heat (+1200 c) should be avoided as the over burnt lime becomes “dead lime”, unable to slake in water. Most shells were still useable though. They were taken out of the kiln and had water added to them. An exothermic reaction then ensued. Heat was produced as the lime quicklime turned into slaked lime. The water heated up creating steam and the shells decomposed into a white paste. The paste was stirred and crushed pottery was added to it as an aggregate (sand is normally used for this, I just had a lot of old pot sherds lying about to dispose of). This lime mortar mixture was then formed into a block shape and left to dry. It took about a week and a half to set as we have had extremely humid, wet weather. The block was observed to have set demonstrating its properties.
    What I created is actually lime mortar, typically used for mortaring bricks and tiles together. It’s basically the ‘Glue’ that holds together the building blocks of masonry structures. From my research 20 kg of lime mortar is used on a 1 m square section of brick wall. 5 kg of lime to 15 kg of aggregate (sand, grog etc.) per a 1 m square section of bricks. The shells, though large, are not terribly abundant. A method for finding shells efficiently needs to be made before considering making lime mortar in this fashion. From my experience sand bars in a creek sometimes accumulate snail shells from higher up in the mountains. In these spots, water velocity decreases and shells in the water tend to drop out of the water column. Additionally lime may be partially replaced with ordinary wood ash in mortar without a corresponding decrease in strength. To conclude, making lime in a land without limestone is possible but can be problematic when trying to do so on a large scale.
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Comments • 11 207

  • Corporals Corner
    Corporals Corner 14 days ago +2751

    Great Video. Check out Mine on Roman Concrete

    • PhuongHD Le
      PhuongHD Le Hour ago

      Well come to vietnam

    • Matheus Ayers
      Matheus Ayers 14 hours ago +1

      WAIT.... Corpols Corner is a youtuber??????

    • Brett Ison
      Brett Ison 4 days ago

      Bretton Ferguson Sadly, Australia has no active volcanoes... So no volcanic ash!

    • Саша Кепич
      Саша Кепич 6 days ago

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  • Faris Spear
    Faris Spear 6 minutes ago

    Can you make some sort of a clay water transistor? Build more then you have your water powered clay computer

  • 에바참치
    에바참치 25 minutes ago +1


  • Yuberlys Albarez
    Yuberlys Albarez 28 minutes ago

    Nadie aquí sabe hablar español?

  • HD gameing
    HD gameing 34 minutes ago

    hay đó

  • PhuongHD Le
    PhuongHD Le Hour ago

    Well come to vietnam

  • de gekkoboy
    de gekkoboy Hour ago

    Do you sometimes overnight there?

  • S. Irgendwas
    S. Irgendwas 2 hours ago

    How much snails for 1 house?

  • บุกคลนิลนาม ch


  • Just A Wlogg
    Just A Wlogg 4 hours ago +1

    Can you please build a well!!!

  • Hannes Berends
    Hannes Berends 5 hours ago

    Primitive Chemistry!

  • Mrmoocows99
    Mrmoocows99 5 hours ago

    5:36 turn on Captions. "Crushing old pot sherds..."
    First typo I have seen on this channel.

  • Time Lizard
    Time Lizard 5 hours ago

    So this is how oreo cream is made

  • しょぼ しょぼ
    しょぼ しょぼ 6 hours ago


  • Panupat Chongstitwattana

    Is their meat edible??

  • Marcelo Barefoot
    Marcelo Barefoot 7 hours ago

    How long for doing all process?

  • - szurbanics
    - szurbanics 7 hours ago +1

    You could do a BIG collab with all the primitive technology channels and build a real village! It could be really cool and you could learn from each other as well!

  • Brandon Corby
    Brandon Corby 8 hours ago

    Baby boomers what are you going to do all day play in the mud and do nothing? 7.4million subscribers later.

  • Brillbillbo
    Brillbillbo 10 hours ago

    i wonder how many snail shells it would take to make enough lime to whitewash the walls of his hut?

  • heartbreakmanNo1
    heartbreakmanNo1 10 hours ago

    Is it safe to say you started this whole primitive culture on TheXvid ? Like OG ? Cause all other cats just got nowhere near 1 mil subs, let alone 7.4 :T

  • DOD Poor Life
    DOD Poor Life 10 hours ago

    Nice Video

  • Lucillia U.
    Lucillia U. 12 hours ago

    Next video: snail BBQ!

  • Caleb Richard
    Caleb Richard 12 hours ago

    This channel made a parody of your channel, I find it disrespectful, here is the link just in case anyone else agrees

  • Arthur é. forte
    Arthur é. forte 12 hours ago

    Like vídeos

  • Mr Cabbage Head
    Mr Cabbage Head 13 hours ago

    If this was in the caveman times God’s would worship him he’s that good

  • The Human Dino
    The Human Dino 13 hours ago

    No Gary's harmed in the making of this film

  • Swamp Valley
    Swamp Valley 13 hours ago

    YOU ROCK LIKE A CAVEMAN DUDE! wanna do a collaboration, just thought it might help your channel to get a few more subscribers 😂

  • kingofwar
    kingofwar 14 hours ago

    I bet the camera to film this he made out of squirrel tape with frog or something

  • Matheus Ayers
    Matheus Ayers 14 hours ago


  • Nicht mehr so V
    Nicht mehr so V 14 hours ago

    2:50 when you are not quite sure if Skyrim ENB or real life

  • AwesomeManPlayz
    AwesomeManPlayz 14 hours ago +1

    Is this by your actual house or are you like Tarzan or something and live in this ecosystem with power and Wi-Fi?

    This is probably a dumb comment.

  • William White
    William White 14 hours ago

    can you make a video where you camp with modern tools, and talk please, i know its a lot to ask for, but i would really like to see that

  • Дима Чернов
    Дима Чернов 15 hours ago

    Спасибо! (Thank you)

  • Eugene Kalinichenko
    Eugene Kalinichenko 16 hours ago

    It will take ages to build something with that efficiency. To much energy for one little brick. You' ll build mud empire faster than one tiny lime house.

  • Ooga Booga
    Ooga Booga 17 hours ago

    Primitive Technology Ceramic can get up to 2,000 F and on wards, Charcoal can get upward of 4,500 F. Couldn't you actually melt some kind of metal? You'd think it'd be hard to keep the charcoal burning at a specific temperature to melt, for an example, iron without the ceramic bowl that it's in go with it too. So couldn't you potentially melt certain metals with a fire? Like Aluminum, Lead, Zinc then make metal tools? If it's easy, and I truly don't know, to keep charcoal burning at a specific point, you could make alloys like Brass with Zinc and Copper. I know you already know this, but I guess I'd like to see you do that in a video?

  • Re-elect Trump
    Re-elect Trump 17 hours ago +1

    I wanna see this dudes cock

  • Taquahn
    Taquahn 17 hours ago

    Make a pool

  • Руслан Паламарчук

    ... and bronze ,make bronze anywey

  • jason boley
    jason boley 18 hours ago

    Just use a lime

  • Руслан Паламарчук

    Make Spear ,in neanderthal technology (Must'e)

  • Theja Lhousa
    Theja Lhousa 18 hours ago

    I wonder when the age of rockets will start.

  • Christian Christiansen
    Christian Christiansen 18 hours ago

    This is just a friendly reminder to turn on the captions for these videos if you haven't! A lot of explaining and such!

  • Как Заработать

    Великолепно придумано и исполнено. Лайк!

  • Josh Vermeulen
    Josh Vermeulen 20 hours ago

    I must ask, why don’t you use your pump drill? You showed us how to make it and how it can start a fire 10 times quicker than what you’re using here but you don’t use it. I’d just like to know why?
    Plz like so he sees this I’d really like to know why

  • Rare
    Rare 21 hour ago

    he has started the stone age...holy sheet the age has begun

  • VS Play
    VS Play 22 hours ago

    People are learning! Soon we will live like this!

  • hyou zan ren
    hyou zan ren Day ago

    Can't wait when this channel reach 10million subs! And then celebrate it by Making a GIANT play button from metal produce with primitive tech will be great! He may need help thought!

  • Target Detected CH

    Plis review Your own Real House or home

  • Rocco Ferri
    Rocco Ferri Day ago

    This guy is the ANSWER

  • Koplo MotoVlog
    Koplo MotoVlog Day ago

    Vidionya Bagus Banget Sangat layak jadi pelanggan.
    Ane Hadir dengan membawa paket komplit Nempel Permanen dah jangan lupa kembalian y terimakasih.
    Semoga Sukses Selalau gan.

  • Robb Oestmann
    Robb Oestmann Day ago

    I've made lime straight from limestone. I gathered it up from the ground as where I live has a good quantity of it. I put it into a (very hot!) coal fire for about an hour or so, and it came out really well. More or less the old traditional way it was done in these parts for hundreds of years, only minus the kiln. I was considering making a traditional kiln, but smaller like yours, for small amounts of lime. Obviously I'm in no need for massive amounts. Yet. I do like the versatility of your kiln though.

  • Krixooks
    Krixooks Day ago

    if this guy lives in the forest with snails and sticks, how does he have a youtube channel

    • Krixooks
      Krixooks Day ago

      like he's still got a long way to go before he even builds a computer

  • -qwe123777黨衛隊


  • Edzel Lewis
    Edzel Lewis Day ago

    cooking videos, please

  • Canoss Gaming
    Canoss Gaming Day ago

    ... Wtf do you need a lime brick for?

  • Dopey FX
    Dopey FX Day ago

    It's like watching the evolution of humanity, just waiting for you to have a bronze age and discover the wheel. Love your videos, great job

  • Cedaelic VR
    Cedaelic VR Day ago

    Primitive Technology channel in 2028: Stainless Steel

  • Vincent Siu
    Vincent Siu Day ago

    this guy is tired of all those pre-alpha survival-craft game BS and decided to take the matter to his own hand

  • Hara-kiri
    Hara-kiri Day ago

    Do lemons next

  • Merve Enez
    Merve Enez Day ago

    Büyüleniyorum🤤 o değil de neden türkishhh yazıyor abi

  • Filthy Connoisseur

    So what do you do with that lime brick after?

  • Timothy Humphreys
    Timothy Humphreys Day ago +1

    Can someone tell me what the point of making that is? Its limestone right? Whats it good for? I'm confused cause I just watched a 7 minute video where a guy made a rock out of some burned shells and another rock lol

    LLRFILMS Day ago

    This is cool and all but I have one question.
    Is this all safe? Stuff like this sounds really cool once spring starts coming out again, but I'm concerned about y'know, ticks n stuff.

  • たろーやすの


  • Joseph Brown
    Joseph Brown Day ago

    You should get pets

  • The lost island
    The lost island Day ago

    Dose he live in the woods

  • Christopher Rees

    Idea for you: a primitive lathe is something you might be able to make that you would get much use from. :D

  • xxsmokerxx 647
    xxsmokerxx 647 Day ago

    You need to survive 4 days with bear grylls XD

  • Vladimir Poutine

    Limestone gets rid of acidity and purifies water.

  • Metatron
    Metatron Day ago

    WoW ... I've never seen something like this ...

  • Alejandro Laguna

    I prefer lemons

  • skyblood99
    skyblood99 Day ago

    형 지금 벽돌집 짓고 있는거야?
    그럼 못해도 일년은 걸리겠네ㅜㅜ

  • Rhi2t_0
    Rhi2t_0 Day ago +1


  • Explosionsaurus
    Explosionsaurus Day ago

    Would the paste be poisonous to digest?

  • Ballista
    Ballista Day ago

    This dude just made cementing paste

  • Lucaschulito9
    Lucaschulito9 Day ago

    Unoccupied shell (i.e. the snail died)

  • Jan Sten Adámek

    So next time, he will build nice and cozy brick house?

  • Valtteri Nummela Lets play/vlog

    So a fucking uhh, ~50 big ass shells + 1400c + water and sand = 1 brick
    People actually built HOUSES out of that?

  • Даниил Амарцев

    to make a canopy over the stove

  • Андрей Андреев


  • Bryan Olesky
    Bryan Olesky Day ago +2

    Joe Rogan get this man on!

  • Ben Jackbag Mank

    Come on dude, step it up. Time to go full time, you're killing all 7 million of us with the wait time. We need daily or at least a couple weekly videos. I need iron forged tools and castles.

  • Hora de pesca
    Hora de pesca 2 days ago

    Impressive, watching these videos one learns new things, this is useful information because now I know what is the basis of the concrete.

  • Sham
    Sham 2 days ago

    OMG wai do u coppy survival skills primitive u bad men y u need coppi dem fur de vews y u so copppiy plis gitgud an dun coppppppiyiyiy

  • Citizen Olympic
    Citizen Olympic 2 days ago

    If you burn the brick in the kiln can you recover the lime?

  • Music Note The TF2 Player

    when you wonder your life was a Minecraft server faction when you start at

  • Pedro Lewis
    Pedro Lewis 2 days ago +1

    Русские есть?

  • 口が臭いゾンビ


  • Tyson Granger
    Tyson Granger 2 days ago

    The most peaceful place at TheXvid 😬

  • シミズエイジロウ

    That was very educational (^^)

  • NutOnTheSucc
    NutOnTheSucc 2 days ago

    Why am I watching a video on how to make limestone out of snail shells

  • Ghofur Purwanti
    Ghofur Purwanti 2 days ago

    Salam indo.

  • avoc official
    avoc official 2 days ago

    nothing is more relaxing than watching these videos and just learn and listen to the sound of the nature. Always great worke

  • りんごおいしい


  • 박형근
    박형근 2 days ago

    뭐 하시는 분이지.. 쩐다

  • Share IT EN AND IN
    Share IT EN AND IN 2 days ago

    Hy how are you? Visit me friend

  • Dwight Myerson
    Dwight Myerson 2 days ago

    Awesome man, I love your videos.

  • Cmandakiller
    Cmandakiller 2 days ago

    Could you build a house out of lime or home made concrete