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How To Make Hash - The Ultimate Guide!

By John Clarke


Hash, or hashish, is pre­pared from the most potent part of the can­nabis plant — the trich­omes. Trich­omes are little hairy append­ages found on plants that perform a wide variety of func­tions, depend­ing on the par­tic­u­lar plant. In the case of can­nabis, the trich­omes are packed full of THC and give your buds a white, frosty appear­ance. Hash is con­sumed in much the same way as can­nabis buds by smoking in a pipe, bong or joint, hot-knifed or cooked, with similar effects. Unfor­tu­nately, decent hash is a rarity in the UK. All we have is “soapbar” — an incred­ibly hard, dark, poor quality mater­ial that is likely packed full of shit you don’t want to be smoking. Luckily for us, making hash is easy, fun and reward­ing work, and you can put as much effort in as you like!

Why make hash?

  • Save Space — An ounce of hash takes up a lot less room than an ounce of weed, making it easier to stash. It also smells less.
  • Shelf Life - Hash will last a very long time if you keep it wrapped up tight, in the cold and dark. Bud, on the other hand, has a habit of going mouldy if you leave it too long.
  • Health — You need to smoke less hash (provided it’s decent, home-made hash and not soapbar) to get high. Also, since hash is primar­ily trich­omes, you don’t smoke any of the other com­pounds in the buds that don’t get you high.
  • Notori­ety — You will become “that guy with the amazing hash”. Simple as that. Since good hash is hard to find here, women will want you and other men will want to be you. Unless, of course, you’re a woman. Or gay. If you’re a gay woman, that will prob­ably still happen.
  • Prevent Wastage — If you grow your own can­nabis, you can use all your leaves, stems and male plants that would oth­er­wise be thrown away.
  • Why the hell not? — You don’t need fields of can­nabis plants to make good hash. If you’re a casual smoker, you can still get a pretty decent yield for next to no effort on your part, and you still get to smoke your weed as usual.

The Principle

  1. Collect Trich­omes
  2. Press Trich­omes
  3. ???
  4. Profit

Collecting Your Trichomes

Cannabis Trichomes

Can­nabis Trich­omes

This step will vary depend­ing on your level of com­mit­ment, budget and lazi­ness. Tra­di­tion­ally, the first hash was created by people who would sit around and just rub buds and live plants all day. Gradu­ally, their hands would accu­mu­late a sticky resin that could be scraped off and pressed. Unfor­tu­nately, for this method to be any use today, you’d need a massive crop of can­nabis plants at your dis­posal and a lot of elbow grease. Thank­fully, we, as a species, have come up with some much more effi­cient methods since then. Let’s take a look:

Method #1 - Using a Pollenator or pollen catcher

For: The lazy pot smoker
Start­ing Mater­ial: Your usual weed supply
Effort: 110
Time Taken: Months

As I men­tioned before in Top 4 Can­nabis Tips, storing your weed in a con­tainer with a mesh screen in the bottom will net you a reas­on­able amount of trich­omes from your bud. It will cer­tainly take a while, but all you need to worry about is smoking your pot as usual. The idea is that con­stant storage and slight agit­a­tion will break off a small per­cent­age of the trich­omes on your bud, which fall through the screen into the chamber at the bottom. The mesh will be fine enough to only let the tasty trich­omes fall through, keeping any other plant matter on top. The res­ult­ing unpressed trich­omes are com­monly referred to as kief.

Pro tip: each time you put more weed into your con­tainer, grind it up first, only fill it half way then feel free to give it a good shake from time to time. That ensures that more of the weed will come into contact with the screen, and that it has plenty of room to move around in your con­tainer.

Method #2 - Using a Sieve

For: The small time grower or the amateur hash pro­du­cer
Start­ing Mater­ial: At least 2 ounces (56 g) of bud, or 200 g of old leaves, stems and entire male plants
Effort: 710
Time Taken: Several hours

Kief ready to be pressed

Kief ready to be pressed

This is simply Method #1 scaled up for some serious hash pro­duc­tion. 56 g of quality bud should get you about 6 — 11 g of kief. You’ll need a mesh or silk screen with 65 – 125 micron holes, or 120 – 230 lines per inch. If the holes are smaller than about 65 microns, the trich­omes that make it through will be small and imma­ture, but if the holes are bigger than 125 microns, more unwanted plant mater­ial makes it through. Framed screens are best, for the extra sta­bil­ity. Print­ing shops tend to sell frames with a screen already in, or you can easily make your own with four bits of wood, nails, glue and your screen of choice. You’ll also need a clean, flat surface such as a mirror which you’ll sieve over. A light col­oured surface makes it easy to see your results.

If you’re using bud, begin by grind­ing it up and placing it on your screen. Then, tilt the screen back and forth just enough enough so that your ground up bud moves over it. You’ll begin to see your kief col­lect­ing on your mirror or other surface. As less and less trich­omes come through the screen, you’re nearly done. Now start to wobble and tap the screen to get the last remain­ing trich­omes. Unlike Method #1, the weed is now not suit­able for smoking, so you may as well use a shit­load of it to make some can­nabis butter. It won’t be very potent, but that’s better than throw­ing it out. You could also mix it in with your tobacco if you’re a joint smoker, to keep the deli­cious weed smell and stretch out your tobacco supply.

Pro tip: If you’re sieving massive quant­it­ies of weed, use mul­tiple screens with dif­fer­ent sized holes. The smaller holed screens will produce a small quant­ity of top quality kief, while screens with larger holes will produce larger quant­it­ies of less potent mater­ial. You can then save your highly potent stash should the Queen come for tea or any other special occa­sion.

If you’re using your unwanted plant mater­ial, make sure it’s fairly well dry first. Not too dry, oth­er­wise it’ll crumble and end up going through the sieve. Place the screen down over your clean surface and stick your dried plant mater­ial on top. Then, gently push your plant mater­ial around on top of the screen. The slower you push, the higher quality hash you’ll produce.

Pro tip: Sieve your plant mater­ial once using a screen with slightly bigger holes than usual. This will let through all the trich­omes plus small chunks of plant mater­ial. At this point, you can throw away your plant mater­ial and sieve the results again using the usual screen. This will ensure a potent hash even when using the worst start­ing mater­ial.

Method #3 - Using a Drum

For: The small time grower or the lazy amateur hash pro­du­cer
Start­ing Mater­ial: A small amount of bud, or lots of old leaves, stems and entire male plants
Effort: 310
Time Taken: Several hours

A drum is an elec­tric­ally powered cyl­in­der lined with a screen like that in Method #2, and the yield is about the same. This is the same prin­cipal of sieving, but this time you’re har­ness­ing the power of elec­tri­city to do all the actual work. As the drum revolves, your bud or plant mater­ial is tumbled against the mesh, freeing the trich­omes which will collect under the screen. Unfor­tu­nately, this method involves much less quality control than sieving manu­ally.

Pro tip: Tumble once for a short amount of time to get the top quality kief. Sub­sequent tum­blings can then be per­formed to collect more low quality mater­ial.

Method #4 - Using a Blender

For: The small time grower or the semi-pro hash pro­du­cer
Start­ing Mater­ial: At least an ounce (28 g) of bud, or 200 g of old leaves, stems and entire male plants
Effort: 410
Time Taken: < 1 hour

BlenderThis method relies on the fact that trich­omes are heavier than water, and the colder they are, the more likely they are to snap off. 28g of weed should earn you 5 — 7 g of kief. For this, you’ll need a blender, two glass jars, a metal coffee filter or silk screen, paper coffee filters, some ice and some water. Begin by placing your bud or waste plant mater­ial in the blender until it’s half full. Then cover with cold water, add a lot of ice cubes and blend for less than a minute. We’re basic­ally making a can­nabis slushie at this stage. The agit­a­tion of the blender will snap off most of the now-brittle trich­omes into the green frothy mixture, so the next step is fil­tra­tion. Pour the mixture into your glass jar through the coffee filter or silk screen to get rid of the plant mater­ial, and you’ll be left with a green­ish liquid and trich­omes. Allow your jar to stand in the fridge for 30 minutes until all the sus­pen­ded trich­omes have fallen to the bottom of the con­tainer. Then, remove two thirds of the liquid being careful not to disturb the layer of good­ness that’s settled at the bottom. If you’ve got more plant mater­ial to process, now’s the time. Make sure you keep fil­ter­ing it into the same jar, so you only have to collect the trich­omes once at the end. Put your jar in the freezer for 10 minutes before pouring the con­tents through a paper coffee filter into your second jar. The trich­omes will collect on the paper. Dry the filter for at least 12 hours to several days and you’re done!

This method may seem com­pletely coun­ter­in­tu­it­ive (Add water? To MY can­nabis?!), but don’t worry — science is on your side!

Pro Tip: After the first fil­tra­tion through the metal filter or silk screen, you might want to put the con­tents of the jar back in the blender for one last whiz. This should further purify your end product. You might also try blend­ing your dis­carded plant mush one last time to collect any remain­ing trich­omes. Don’t add this to your first fil­tra­tion product, as it will be much worse quality, but still better than the shitty soapbar avail­able.

Method #5 - Using Hash Bags

For: The small time to semi-pro grower or the semi-pro hash pro­du­cer
Start­ing Mater­ial: At least an ounce (28 g) of bud, or 200 g of old leaves, stems and entire male plants
Effort: 510
Time Taken: 1 — 2 hours

Hash BagThis method cer­tainly has the most over­heads, but will produce the most potent hash and is essen­tial if you want to process large quant­it­ies of herb. The yield is also pretty high, recov­er­ing 5 — 7 g of good­ness per 28 g of weed, sep­ar­ated by quality. If you’re using unwanted plant mater­ial, 200 g could net around 5 to 20 g, largely depend­ing on the quality of the plant matter. Hash bags combine the best fea­tures of the blender method and sieving, using the cold to make the trich­omes brittle and snap­ping them off with agit­a­tion from the sieve. For this, you’ll need a fuck­tonne of ice, two impec­cably clean 20 l buckets, an elec­tric hand whisk and a Hash Bag kit. These are com­prised of many bags made out of dif­fer­ent sized mesh screens that fit inside each other, and tend to be pretty pricey, but if you’re serious about hash, this is the way to go. Hash pro­duced in this way is often referred to as “bubble hash” because it’s so awesome that it bubbles when it’s burned.

To start, freeze as much water as pos­sible. Fill up ice cube trays, empty drinks bottles or whatever else is suit­able and bang them in the freezer. Once you have enough ice for an igloo with a garage, empty the ice into one of your buckets, add your herb and top up with cold water. Now whisk the shit out it. You can whisk for as little as 15 minutes to over an hour, but remem­ber, the more you whisk, the more you sac­ri­fice quality for quant­ity. 45 minutes should be plenty. Also, take breaks every so often and allow the con­tents of your bucket to settle. Once the mixing is done, add your “work bag” (the bag with the biggest holes, usually between 200 — 250 microns) to your second bucket, and pour the con­tents of the first bucket into it. Remove the bag from the second bucket, squeeze as much water out as pos­sible and set it aside for a second wash later. Now your first bucket is empty, arrange your other bags inside it so that the one with the smal­lest holes goes in first and the one with the biggest holes goes in last, then pour the green water from bucket #2 through the bags. As the holes in the final bag are so small, it will take some time to drain so be patient. The idea is that the mul­tiple screens will auto­mat­ic­ally grade your trich­omes by size, so that the more potent mater­ial will be found in the last bag and the least potent, more leafy mater­ial will end up in the top. Lift out all the bags in one go and set them aside. Stick your work bag back in bucket #2 (the empty one) and pour the green liquid from bucket #1 through it. Squeeze the bag once more to get as much water out as pos­sible and set it aside for the last time. Place your hash bags back in bucket #1 and pour the liquid now in bucket #2 through them as before. Now you can remove the bags from the bucket, sep­ar­ate them out and scrape up the gunk from the screens. Place your wet kief on some paper, dab off excess mois­ture with some tissue and allow to dry for at least 12 hours to several days.

Pro tip: There are no pro tips, other than “use this method because it’s already awesome”.

Funking It Up

Why not add a bit of funk to your hash? Unfor­tu­nately, it’s not as simple as just adding a pinch of this or a pinch of that. We need pure chem­ic­als whose dosage is know before­hand. Before you add any­thing, you need to weigh your kief so you know exactly how much hash you’ll end up with and you need to work out how much an average dose of hash weighs (you do weigh your weed, right?) You can then work out how many doses that hash will give you by divid­ing the total weight by your dose. When you know how many doses you’ve got, you can then mul­tiply that number by the sug­ges­ted dose of your addit­ive, so you know exactly how much to add. Then you can blend it all together and get on with the press­ing.

So what might be a useful addi­tion? Here are a couple:

Syn­thetic can­nabin­oids such as JWH-018
This would give your hash more kick so you can use less of it. You’d only need 0.5 — 1 mg per dose. Read up on it here .
95% Mesem­brine from Sce­le­tium tor­tuosum
Sce­le­tium tor­tuosum, or Kanna has a known synergy with can­nabis, which is par­tic­u­larly useful for those with a large tol­er­ance. You’d only need 15 — 20 mg per dose. Read up on it here.

Pro tip: If you’re adding large quant­it­ies of a certain addit­ive, it will make your hash more crumbly. Add a little alcohol to your mixture before you press it to help it stick together.

Pressing Your Trichomes

Method #1 - Use lots of force

Hash PressIf you’ve only got a small amount of kief to press, you might want to buy a hash press for cheap. You basic­ally pour your mater­ial in the empty press, assemble all the parts and screw it together as tightly as you can. Then just leave it for a week or two and open. The cheaper presses tend to break after a few uses, so you might want to get one for a bit more money if you plan on reg­u­larly press­ing small amounts of kief (the lazy pot smoker, I’m talking to you).

Pro tip: Try tight­en­ing it some more every day.

Method #2 - Use heat

If you’re press­ing a hefty quant­ity of mater­ial, press­ing might not be an option, espe­cially if you’ve only got a small press. For this method, you’ll need to cut a tem­plate out of card­board that will be the shape of your hash bar. Next, wrap some heavy duty plastic wrap around the card­board to make a kind of loose bag, and remove the card­board. Then fill your bag with kief and seal. Next, wrap the bag in several layers of wet news­pa­per and place in a frying pan. Turn the heat on low making sure the paper stays wet all the time and turn every couple of minutes. Even­tu­ally the trich­omes will melt together. When they do, remove the package from the pan, trans­fer to a flat worktop and roll with a rolling pin for at least half an hour. Stick your flattened parcel into the freezer for a bit to cool down and unwrap.

Miscellaneous Tips

  • Always wear gloves when hand­ling your kief. If you don’t it sticks all over your hands and you’ll never recover all of it
  • Freez­ing your kief before you press it will force all of the water out of it into a frosty coating. This can then be dabbed off with tissue as it melts. Water in your hash could lead to mould if you plan on storing it, so if you’ve used one of the “wet” methods to collect your trich­omes, this might be a good idea. Remem­ber to air dry once again after freez­ing to ensure there’s no mois­ture in there at all.
  • If you plan on smoking your hash in a joint, be sure to crumble it up into grains as small as pos­sible. Any­thing over 1 mm might fall out of the doob and burn holes in your clothes and you.


29 Responses to How To Make Hash - The Ultimate Guide!

  1. PoisonedV says:

    Hmmm. I wonder if I can somehow rig my ball mill to do some­thing like #3

  2. Synchronium says:

    A ball mill is basic­ally exactly the same setup without the mesh screen. Sort your­self out a suit­able screen, lose the balls and you’re good to go.

    Actu­ally, if you’re using big leaves, try it with a few rubber balls in too. You should get a much higher yield.

  3. Dragon says:

    LOL.. Well as far as huge crops are con­cerned they exist.

    At $10 an hour trim­ming dried can­nabis to per­fec­tion is an art. And in the mean­time the Tri Stuff accu­mu­lates.

    All is needed is to scrape it off and roll it in a ball and ingest it per pref­er­ence.

    Now mass hashish pro­duc­tion requires another huge dried drop and many lovely naked sweaty women running freely through it to gather the tri stuff and then scrape it off their bodies.

    Anyone inter­ested in a cool job?

  4. Eddie says:

    heyy i dont have leaves or anythin like that i dnt grow but i have lots of weed n jus want to make some hash can i use just the buds n stems to make some? n how much bud would i need to make a nice good brick

  5. Alex says:

    Does anyone knows how to make hush using jwh-018 without marijuana or any other cnnabin­oids. ???

  6. fegolem says:

    After pro­cessing for tri­chromes (dry methods), is the veg really spent? Would it be worth while to try to extract oil (by butane/​hexane/​naptha)?

  7. Ryan says:

    I imagine that the oil is NOT located solely in the trich­omes, but in every part of the plant. This is all done after drying, but the oils are still there. Iso­p­ro­pyl alcohol, hexane, butane, naphtha, any oil extrac­tion method used to make your typical honey oil will work. Keep in mind that a lot of THC is lost from the plant when it falls off with the trich­omes, but only from the trich­omes. Any THC left in the oil within the plant should be extract­able via the usual (and some­times unusual) methods.

  8. Kara says:

    @ Dragon– im totally down for a sweet job like that!!!

    @ Eddie– yes you can, lots of head shops sell kief boxes, you can pur­chase one of $20

    @ Fegolem– yes you can, you will be able to pull at least a little, im sure of this

  9. Scean says:

    Good post.
    Ques­tion about the blender method. Will freshly picked plants do, or is it best to allow plant to mostly dry first?
    Fresh plants will add in a lot more juice from the plant which may leave a flavour, pos­sibly toxins I guess.
    Also if your press­ing a fair bit of kief, a flower press and (glad wrap) do a reas­on­able job.

  10. Hashmaker says:

    Can you make hash with just THC/​crystals

  11. newbie says:

    for method #4 with the blender, can the can­nabis be like just taken from the back­yard or should i wait some time for it to get dried?

  12. concerned says:

    Jwh 018 is ter­rible ter­rible stuff that is very bad for your heart. It acts as a speed and people end up in the emer­gency room all of the time because of it. If you have to spike your stuff with it, you’re doing some­thing wrong.

  13. hashsasien says:

    Iam 65 yrs.young.Ive been making hashish for 27yrs.MAROCAN,CAMBODIAN,TIE.YOUR CLOSE BUT NO GUNG! HASHMAN FRM Wa.state.

  14. Gary Smith says:

    I Like hash very much and would like to learn to make it easily.

  15. cortni says:

    soo as i was reading i couldnt help but share some pollen gath­er­ing tips with you or rather tip :D… i work in a head shop in austin texas and have a sifter box i hae had for years and havd painstakenly gathered my pollen in said sifter and like yall said it take forever.… or so i thought soon after start­ing my job on of the other employ­ees gave me this amazing tip… freeze your broken up herb in the sifter box for a few hours… it only really takes a couple but i leave mine over night *thats just me tho* and then take it out give it a really good shake and a few good whacks against your hand or led or any­thing and the ammount of trich­omes *pollen* that comes off is astound­ing… the first time i did it and opend the bottom of my sifter t see my yeild i was plesently shocked!! off of one eigth of good dank i was able to press a nickle size disk of hash that i then was able to smoke on for 2 weeks… it has been a very help­full tip and i love to pass it along when i can i hope this helps 😀

  16. stuguy says:

    WHy would you add jwh-018 to hash, adding a syn­thetic to a con­cen­trate would ruin the quality of the natural herb.

  17. Annie Greensprings says:

    Hash! Good stuff.Can’t wait​.How about you?

  18. Bubbleman says:

    If you use bubble­bags I recom­mend to use the “bubblema­chine”. Another crusial thing is to use wet mater­ial so it doesn’t trans­form info powder (more plant­ma­ter­ial i the hash). It is also import­ant to freeze the mater­ial before use.

  19. Mings says:

    For press­ing your kief you can just get cling­film (a.k.a food wrap) empty your kief into it make sure its all con­tained at the bottom close it up and apply pres­sure the heat from your hands and pres­sure just mushes it together.

  20. наркоман says:

    if you talk about that I mean that I will tell you as neces­sary to do ))
    you dis­place a tube from foil from a chocol­ate, on a pencil, long an about 7 cm, in 3 layers ! neatly take off from a pencil, pre­lim­in­ary hardly hardly moving the tag of tube ‚on mil­li­metres 7 and sealing up. a tube turned out with the sealed up end .
    further we take iron, we put on 1 ! a tube we fill pollen, ramming, pat­ter­ing on a hard surface ! we seal up the second end of tube, we сминаем her fingers in a long plastic ! we lay her on an even, hard surface .
    an even cyl­indrical glass bottle or rolling-pin is needed . further we pin on 1 cut a plastic, we invert and once again pin iron on 1 cut . swell­ing of plastic is pos­sible ! we take a bottle or rolling-pin and roll a plastic with small pres­sure . after cooling ready to applic­a­tion =)
    pro­ced­ure saves prop­er­ties of effect
    and intern­alss ! tested for years

  21. johnny g says:

    A buddy gave me some old dry hard hash is there any way to mske it better?

  22. Doug Espick says:

    Just made my first batch of hash. I decide on the blender method. My trim­mings was froze but thawing and kinda wet so blender sounded easiest. Also found that if tape and rubber band a coffee filter to a two litter bottle end it makes for a nice big funnel for drain­ing several blender batches. Fir my first time it turned out pretty damn good i can see the crystls in it, could not see any of them in the same i had the oyher day. Thanks for the tips.


  23. spanko says:

    You may place a 100mg to 0.5g of kief into a small baggie and squeeze the air out while the kief flat­tens. The place it into your shoe (or sock) and walk around for a while. You will find that the pres­sure and tem­per­at­ure creates hash.

    I like to take even over a gram of kief col­lec­ted by a sifting box (which was subject to the freezer trick). I put this into six bags and go for a hike, and I smoke what is left and have little memory of the past week.


  24. chris says:

    how much is con­sidered to be a dose of hash?
    how does the the two dif­fer­ent addit­ives effect your high?
    and whats a good start­ing point of how much to put in your hash if your just using it to enhance the high a bit?

  25. abdul says:

    hi, i’m hoping to make hash as soon my weeds are grown but till then i keep on smoking good quality hash we have access to, in iran…

  26. sam says:

    Any idea if I can make hash from con­cen­trated compher­ated opium ?

  27. Mick says:

    Can you make dry hash from the messy tar hash?

  28. Murdoch says:

    I use elec­tric coffee grinder I get a nice little treat clean­ing it.

  29. Moroccosoul says:

    I live in New York City. I am not tech­nic­ally adept. Where do I find these sized screens for example. Hard­ware store? DO they know the mesh size. What is an easy way out of these methods to make hash?

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