Butane hash oil (BHO) extraction: Difference between revisions

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{{headerpanel|{{Template:Warning/BHO}} {{disclaimer}}}}

This [[preparation]] is for the ~~butane~~ extraction of hash oil from [[cannabis]]. The aim of this extraction guide is to provide a straight forward simple procedure for the home user to produce a personal amount of ~~high quality~~ hash oil. This tek does however require more advanced equipment such as a vacuum pump.

This [[preparation]] is for the extraction of hash oil from [[cannabis]] using butane (otherwise known as B.H.O). The aim of this extraction guide is to provide a straight forward simple procedure for the home user to produce a personal amount of reasonably grade hash oil. This tek does however require the use of more advanced equipment such as a vacuum pump.

==Equipment==

* '''Ground [[cannabis]]''' - You can make batches with as little material as you like although ~~its~~ recommended that at least a half ounce is used. The yield is highly strain dependent but typically around 15% by weight.

* '''Ground [[cannabis]]''' - You can make batches with as little material as you like although it is recommended that at least a half ounce be used for technical and economical reasons. The yield is highly strain dependent but one can typically expect it to be around 15% by weight.

* '''Filtered butane''' The more times filtered, the better, but at a certain point filtering something more times isn't going to make much difference so ~~don't pay extra for it~~! There's also n-butane and other blended gas solvents. These are typically much more expensive.

* '''Filtered butane''' The more times filtered, the better, but at a certain point filtering something more times isn't going to make much difference so be mindful of the diminishing returns! There's also n-butane and other blended gas solvents of various. These are typically much more expensive but are thought to increase the quality of the end product.

* '''Extraction tube''' Thick glass is recommended although plastic and other types will work.

* '''Extraction tube''' Thick glass is highly recommended although plastic and other types will work reasonably well.

* '''Vacuum chamber and pump''' ~~Single~~ stage pump is fine. Be wary of shorter chambers as the oil might bubble high enough to touch the lid.

* '''Vacuum chamber and pump''' A single stage pump is fine. Be wary of shorter chambers as the oil might bubble high enough to touch the lid.

* '''Coffee filter and rubber band or hose clamp'''

* '''Pyrex or glass baking dish''' should have a large surface area

* '''Pyrex or glass baking dish''' This should have a large surface area

* '''Protective gloves and mask''' To protect against the frozen tube and butane vapors

* '''Lower temp electric ~~heatsource~~''' induction ~~cooktops~~ are ideal, a hair drier or craft heat gun are also recommended. A hot water bath can also be used but avoid any open flame ~~heatsources~~ as butane is highly flammable!

* '''Lower temp electric heat-source''' induction cook-tops are ideal, a hair drier or craft heat gun are also recommended. A hot water bath can also be used but avoid any open flame heat sources as butane is highly flammable and explosive!

* '''Fire extinguisher'''

* '''Parchment paper or slick mat'''

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==Procedure==

# Break up (not grind) your [[cannabis]] into small and loose pieces. This increases the surface area for the solvent and maximizes the amount of medication extracted.

# Pack your extraction tube in a firm manner. Be careful not to over pack the tube as the butane must be allowed to freely flow ~~thru~~ the material.

# Pack your extraction tube in a firm manner. Be careful not to over pack the tube as the butane must be allowed to freely flow through the material by the pull of gravity.

#cover the open end with two coffee filters and secure with rubber band or clamp.

# Freeze your filled tube in your freezer in an air tight container (to prevent condensation) for a minimum of 2 hours.

# Freeze your filled tube in your freezer in an air-tight container (to prevent condensation) for a minimum of 2 hours.

# Once frozen put on the protective gloves and mask and remove the tube from the freezer and place the ~~pyrex~~ dish in a ~~well~~ ventilated area.

# Once frozen put on the protective gloves and mask and remove the tube from the freezer and place the Pyrex dish in a WELL ventilated area (do NOT skip this part, see warning above).

# Begin pouring butane into the tube from the small vent opening. ~~the~~ butane should flow ~~thru~~ the material and be collected into the ~~pyrex~~ dish. The tube will become very cold or frozen and near impossible to hold without gloves.

# Begin pouring the butane into the tube from the small vent opening on one end. The butane should flow through the material to the bottom end and be collected into the Pyrex dish. The tube will become very cold or frozen and near impossible to hold without heat-resistant gloves.

# Continue to pour butane into the tube until it runs clear.

# Continue to pour the butane into the tube until it runs clear.

# At this point allow most of your solvent to evaporate from the dish in the well ventilated area. Agitate occasionally.

# At this point allow most of your solvent to evaporate from the dish in the well ventilated area. Agitate occasionally at a safe distance.

# Once most of the solvent has evaporated pour the oil onto a parchment or slick mat and place it into the vacuum.

# Once most of the solvent has evaporated, pour the oil onto a parchment or slick mat and place it into the vacuum.

# Turn on the vacuum and allow to reach full vacuum typically around 29 in/hg at sea level. The oil will begin to bubble and muffin up as the trapped butane escapes.

# Turn on the vacuum and allow to reach full vacuum capacity which is typically around 29 in/hg at sea level. The oil will begin to bubble and muffin up as the trapped butane escapes the chamber.

# Wait several hours for the muffin tops to fall and the bubbles to stop forming

# Once activity has stopped place the chamber on the heat source and gently raise the temperature to 100-120 degrees. Be very careful not to add too much heat as this will burn off terpenes and darken the product. Wait for any remaining bubbles to stop and remove from the vacuum.

# Once activity has stopped place the chamber on the heat source and gently raise the temperature to 100-120 degrees. Be very careful not to add too much heat as this will burn off terpenes and darken the end product. Wait for any remaining bubbles to stop and remove from the vacuum.

# Carefully try to flip the oil and melt it into the thinnest layer possible. Again take care to not add too much heat or fold air into the product as this will add moister and trap gases which will affect the clarity and smoothness of the ~~final~~ product.

# Carefully try to flip the oil and melt it into the thinnest layer possible. Again take care to not add too much heat or fold air into the product as this will add moister and trap gases which will affect the clarity and smoothness of the end product.

# ~~place~~ the thin layer of oil back into the chamber at full vacuum. ~~leave~~ over night.

# Place the thin layer of oil back into the chamber at full vacuum. Leave on over night.

# Repeat the final five steps as many times as necessary to full purge the oil.

# Repeat the final five steps as many times as necessary to full purge the oil of impurities.

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===Notes===

* Oil making is highly strain dependent. A wide variety of different looking ~~results~~ can ~~come~~ from this tek and may range from shatter to crumble to wax or anywhere in between. High ~~thc~~ strains often tend to "sugar up" and is ~~prizes~~ by many for is smoothness ~~and~~ taste.

* Oil making is highly strain dependent. A wide variety of different looking products can result from this tek and may range from 'shatter' (the highest grade) to 'crumble' to 'wax' or anywhere in between. High THC strains often tend to "sugar up" and is prized by many for the smoothness of its taste.

* If you are looking to make a more crumble type product ~~its~~ recommended to repetitively fold the oil into a tight ball and purge over and over. this will cause the oil to wax up ~~allow~~ bigger butane bubbles to form. ~~the~~ final purge of this oil will be with a blast of heat to let large butane bubbles ~~form~~ pull out of the oil. If this step is done improperly some butane may become trapped in the almost solidified oil.

* If you are looking to make a more crumble type product it is recommended to repetitively fold the oil into a tight ball and purge it over and over -- this will cause the oil to wax up, allowing bigger butane bubbles to form. The final purge of this oil will be with a blast of heat to let the large butane bubbles to pull out out of the oil. 'Warning': If this step is done improperly some butane may become trapped in the almost solidified oil.

* be careful not to rip the coffee filter especially when wet!

* Be careful not to rip the coffee filter, especially when it is wet!

@@ Line 1: / Line 1: @@
 {{headerpanel|{{Template:Warning/BHO}} {{disclaimer}}}}
-This [[preparation]] is for the butane extraction of hash oil from [[cannabis]]. The aim of this extraction guide is to provide a straight forward simple procedure for the home user to produce a personal amount of high quality hash oil. This tek does however require more advanced equipment such as a vacuum pump.
+This [[preparation]] is for the extraction of hash oil from [[cannabis]] using butane (otherwise known as B.H.O). The aim of this extraction guide is to provide a straight forward simple procedure for the home user to produce a personal amount of reasonably grade hash oil. This tek does however require the use of more advanced equipment such as a vacuum pump.
 ==Equipment==
-* '''Ground [[cannabis]]''' - You can make batches with as little material as you like although its recommended that at least a half ounce is used. The yield is highly strain dependent but typically around 15% by weight.
+* '''Ground [[cannabis]]''' - You can make batches with as little material as you like although it is recommended that at least a half ounce be used for technical and economical reasons. The yield is highly strain dependent but one can typically expect it to be around 15% by weight.
-* '''Filtered butane''' The more times filtered, the better, but at a certain point filtering something more times isn't going to make much difference so don't pay extra for it! There's also n-butane and other blended gas solvents. These are typically much more expensive.
+* '''Filtered butane''' The more times filtered, the better, but at a certain point filtering something more times isn't going to make much difference so be mindful of the diminishing returns! There's also n-butane and other blended gas solvents of various. These are typically much more expensive but are thought to increase the quality of the end product.
-* '''Extraction tube''' Thick glass is recommended although plastic and other types will work.
+* '''Extraction tube''' Thick glass is highly recommended although plastic and other types will work reasonably well.
-* '''Vacuum chamber and pump''' Single stage pump is fine. Be wary of shorter chambers as the oil might bubble high enough to touch the lid.
+* '''Vacuum chamber and pump''' A single stage pump is fine. Be wary of shorter chambers as the oil might bubble high enough to touch the lid.
 * '''Coffee filter and rubber band or hose clamp'''
-* '''Pyrex or glass baking dish''' should have a large surface area
+* '''Pyrex or glass baking dish''' This should have a large surface area
 * '''Protective gloves and mask''' To protect against the frozen tube and butane vapors
-* '''Lower temp electric heatsource''' induction cooktops are ideal, a hair drier or craft heat gun are also recommended. A hot water bath can also be used but avoid any open flame heatsources as butane is highly flammable!
+* '''Lower temp electric heat-source''' induction cook-tops are ideal, a hair drier or craft heat gun are also recommended. A hot water bath can also be used but avoid any open flame heat sources as butane is highly flammable and explosive!
 * '''Fire extinguisher'''
 * '''Parchment paper or slick mat'''
@@ Line 16: / Line 16: @@
 ==Procedure==
 # Break up (not grind) your [[cannabis]] into small and loose pieces. This increases the surface area for the solvent and maximizes the amount of medication extracted.
-# Pack your extraction tube in a firm manner. Be careful not to over pack the tube as the butane must be allowed to freely flow thru the material.
+# Pack your extraction tube in a firm manner. Be careful not to over pack the tube as the butane must be allowed to freely flow through the material by the pull of gravity.
 #cover the open end with two coffee filters and secure with rubber band or clamp.
-# Freeze your filled tube in your freezer in an air tight container (to prevent condensation) for a minimum of 2 hours.
+# Freeze your filled tube in your freezer in an air-tight container (to prevent condensation) for a minimum of 2 hours.
-# Once frozen put on the protective gloves and mask and remove the tube from the freezer and place the pyrex dish in a well ventilated area.
+# Once frozen put on the protective gloves and mask and remove the tube from the freezer and place the Pyrex dish in a WELL ventilated area (do NOT skip this part, see warning above).
-# Begin pouring butane into the tube from the small vent opening. the butane should flow thru the material and be collected into the pyrex dish. The tube will become very cold or frozen and near impossible to hold without gloves.
+# Begin pouring the butane into the tube from the small vent opening on one end. The butane should flow through the material to the bottom end and be collected into the Pyrex dish. The tube will become very cold or frozen and near impossible to hold without heat-resistant gloves.
-# Continue to pour butane into the tube until it runs clear.
+# Continue to pour the butane into the tube until it runs clear.
-# At this point allow most of your solvent to evaporate from the dish in the well ventilated area. Agitate occasionally.
+# At this point allow most of your solvent to evaporate from the dish in the well ventilated area. Agitate occasionally at a safe distance.
-# Once most of the solvent has evaporated pour the oil onto a parchment or slick mat and place it into the vacuum.
+# Once most of the solvent has evaporated, pour the oil onto a parchment or slick mat and place it into the vacuum.
-# Turn on the vacuum and allow to reach full vacuum typically around 29 in/hg at sea level. The oil will begin to bubble and muffin up as the trapped butane escapes.
+# Turn on the vacuum and allow to reach full vacuum capacity which is typically around 29 in/hg at sea level. The oil will begin to bubble and muffin up as the trapped butane escapes the chamber.
 # Wait several hours for the muffin tops to fall and the bubbles to stop forming
-# Once activity has stopped place the chamber on the heat source and gently raise the temperature to 100-120 degrees. Be very careful not to add too much heat as this will burn off terpenes  and darken the product. Wait for any remaining bubbles to stop and remove from the vacuum.
+# Once activity has stopped place the chamber on the heat source and gently raise the temperature to 100-120 degrees. Be very careful not to add too much heat as this will burn off terpenes and darken the end  product. Wait for any remaining bubbles to stop and remove from the vacuum.
-# Carefully try to flip the oil and melt it into the thinnest layer possible. Again take care to not add too much heat or fold air into the product as this will add moister and trap gases which will affect the clarity and smoothness of the final product.
+# Carefully try to flip the oil and melt it into the thinnest layer possible. Again take care to not add too much heat or fold air into the product as this will add moister and trap gases which will affect the clarity and smoothness of the end product.
-# place the thin layer of oil back into the chamber at full vacuum. leave over night.
+# Place the thin layer of oil back into the chamber at full vacuum. Leave on over night.
-# Repeat the final five steps as many times as necessary to full purge the oil.
+# Repeat the final five steps as many times as necessary to full purge the oil of impurities.
@@ Line 45: / Line 45: @@
 ===Notes===
-* Oil making is highly strain dependent. A wide variety of different looking results can come from this tek and may range from shatter to crumble to wax or anywhere in between. High thc strains often tend to "sugar up" and is prizes by many for is smoothness and taste.
+* Oil making is highly strain dependent. A wide variety of different looking products can result from this tek and may range from 'shatter' (the highest grade) to 'crumble' to 'wax' or anywhere in between. High THC strains often tend to "sugar up" and is prized by many for the smoothness of its taste.
-* If you are looking to make a more crumble type product its recommended to repetitively fold the oil into a tight ball and purge over and over. this will cause the oil to wax up allow bigger butane bubbles to form. the final purge of this oil will be with a blast of heat to let large butane bubbles form pull out of the oil. If this step is done improperly some butane may become trapped in the almost solidified oil.
+* If you are looking to make a more crumble type product it is recommended to repetitively fold the oil into a tight ball and purge it over and over -- this will cause the oil to wax up, allowing bigger butane bubbles to form. The final purge of this oil will be with a blast of heat to let  the large butane bubbles to pull out out of the oil. 'Warning': If this step is done improperly some butane may become trapped in the almost solidified oil.
-* be careful not to rip the coffee filter especially when wet!
+* Be careful not to rip the coffee filter, especially when it is wet!