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how to make bubble hash

How to make bubble hash

Here’s a short video of a washer in action

Don’t have a washer? Want to make bubble hash by hand? Learn how below!
Whenever you hear the word ‘hash’, it’s just referring to the extracted resin glands (trichomes, the sticky sparkly stuff) of a cannabis plant. The ‘bubble’ part refers to the method of using cold water and agitation to extract that resin.

  1. (Old School) Manual Method: Using a spoon or rubber spatula and hand mixing for a while.
    • Pros: Cheapest method, needs the least amount of tools.
    • Cons: The most physical work and the least efficient.
  2. Mixer Method: Using a hand mixer with beaters attached, or a hand drill with a paint-mixer or similar tool attached.
    • Pros: Many people have most of the tools needed. This method is much easier then hand-mixing and more efficient.
    • Cons: Still need a drill or mixer plus a good mixing attachment that’s also long.
  3. A hash-washing machine (mini washing machines)
    • Pros: Easiest method since you don’t have to mix. Also, the most efficient method since all the material is constantly mixed while the machine is on.
    • Cons: High initial cost since you have to buy the machine (

Replace steps 2-8 above with these instructions:
Table of Contents
Alright, let’s make some bubble hash!
Bubble hash refers to collecting hash from your weed (or trim) by submerging the weed in ice-cold water and agitating it. This causes trichomes to break off so you can collect them.

The cornerstone of making bubble hash is mixing up your weed, water and ice. All three of these methods produce the same quality of bubble hash. It’s the efficiency and amount of work that varies.

Bubble hash is made by putting weed (or trim) in ice-cold water and agitating it. This causes trichomes to break off the cannabis so you can collect them.

How to make bubble hash

When the water is between 0-4ºC – and the plant material is hydrated – gently stir the mix with our skimming spoon/machine for about 5-7 minutes. We don’t want to beat the mix since this would result in a more contaminated resin, we can do it on the second run. Now, let it rest for 4-5 minutes before passing the mix through the screens.

Naturally, we’ll also need plant material from which to separate the resin glands. We can use either trim or buds, dried or fresh, although if we are using buds we should try to crumble them into smaller pieces in order to increase yields. For this post, we used dry outdoor trim, although many times best results – regarding purity – come from indoor plant material, since plants have been in a much cleaner environment, without all the dust, insects, etc. found outdoors.
Once we have this concepts clear, we can see now how to make the purest possible bubble hash. It should be noted that, when we speak about purity, we are referring to the highest possible concentration of trichome heads, reducing the presence of contaminants like dust or plant debris to the minimum. In short, anything but glandular trichome heads is considered a contaminant.

Put layers of ice cubes and frozen/chilled buds in the other bucket (or inside the screen bag of the washing machine, in case you’re using it). Fill the bucket/machine halfway with ice and weed and then add ice cold water until soaking everything about 5 cm deep.
Ideally, our plant material should be frozen very fast (flash freezing), but this is something complicated for amateurs. Then, our options are freezing it in our conventional freezer or just keeping it in the refrigerator, without reaching the freezing point. We prefer chilling our plant material (especially when it is fresh) since in this way the water inside the buds don’t freeze and pierce the plant tissues, enabling chlorophyll to escape and harm our resin. This is an important point especially with live resins. You can check our post on fresh chilled material to make hash to know more about this phenomenon.
Full melt clear dome
Now, we are ready for the second run. Mix again the cold water, the ice cubes and the buds and beat it for around 10 minutes. Experience is required to observe which are the best phenotypes and screen sizes for making top grade concentrates.
Put your screen bags in one of your buckets. You should put the screens in ascending order: 45- 73 – 120 – 160 – 190 – 220 microns. Cover the bucket and leave it for later.

To be successful, we do need a few quality materials to facilitate the removal and collection of trichome heads. For this post we’ve used the following:

In this post we tell you the basics for making top grade ice water hash easily at home. Cannabis concentrates are becoming more and more popular, and