removing malt extract, it's too easy to burn.
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README.mdown
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README.mdown
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@ -130,23 +130,26 @@ Skipping testing on [agar slants](#agar-slants) works well enough as long as you
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- [ ] food scale, grams
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- [ ] distilled water
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- [ ] 16 oz wide mouth mason jars with lids
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- [ ] electric pressure cooker, stove top, or [autoclave](#autoclave)
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- [ ] 50 to 100 ml syringes with hollow needles, [autoclavable](#autoclave)
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- [ ] distilled water
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- [ ] light corn syrup
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- [ ] diammonium phosphate with urea (optional)
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- [ ] aluminum foil
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- [ ] electric pressure cooker, stove top, or [autoclave](#autoclave)
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Imperial | Metric
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-------- | ------
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16 oz | 450 ml
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## Liquid Cultures
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- [ ] light corn syrup
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- [ ] diammonium phosphate with urea (optional)
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Mixing liquid culture is similar to [agar slants](#agar-slants) without needing to cool the test tubes in any particular position.
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A simple sugar like light corn syrup is dissolved in distilled water to provide mycelium calories for reproduction.
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@ -181,16 +184,12 @@ simple sugar | 15 g | 5 g
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- [ ] agar
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- [ ] light malt extract
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- [ ] 30 to 50 ml test tube with screw cap, [autoclavable](#autoclave)
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- [ ] 50 to 100 ml syringe with hollow needle, [autoclavable](#autoclave)
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- [ ] 30 to 50 ml test tubes with screw cap, [autoclavable](#autoclave)
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Agar agar is a plant gelatin that solidifies at room temperature, providing a physical surface that mycelium to colonize.
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When mixed with a simple sugar like malt extract this provides mycelium calories for reproduction.
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When mixed with a simple sugar like light corn syrup this provides mycelium calories for reproduction.
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Malt Extract Agar (MEA) is available premixed fairly cheap online.
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Mixing 2:3 grams ratio of malt extract to agar powder is good for saving money by buying in bulk from a homebrew shop.
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Mixing 2:3 grams ratio of light corn syrup to agar powder is good for saving money by buying in bulk from a homebrew shop.
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Scale the following recipe as needed to fill 1/3 of each test tube or 10 ml:
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@ -198,7 +197,7 @@ Ingredient | Mason Jar | Ratio
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---------- | --------- | -----
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water | 300 ml | 100 ml
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agar | 9 g | 3 g
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malt extract | 6 g | 2 g
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light corn syrup | 6 g | 2 g
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0. [Sanitize Your Workspace](#sanitize-your-workspace).
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@ -208,7 +207,9 @@ malt extract | 6 g | 2 g
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2. Microwave with a safe cover until boiling, about 1 minute.
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3. Add 9 g of agar and 6 g of malt extract to the warm water and stir well for 1 minute with a sanitary utensil.
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3. Add 9 g of agar and 6 g of light corn syrup to the warm water and stir well for 1 minute with a sanitary utensil.
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- Optionally add no more than 1 gram of diammonium phosphate (dap) with urea for yeast nutrients.
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4. While the MEA solution is still warm, fill a sanitary syringe with the solution.
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@ -256,8 +257,6 @@ This will allow you to walk through the methods without fear of wasting a spore
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## Cloning
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- [ ] paring knife or scalpel
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- [ ] 50 to 100 ml syringe with hollow needle, [autoclavable](#autoclave)
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Taking mycelium samples from mushroom tissue is called cloning.
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@ -267,7 +266,7 @@ Piercing the mushroom tissue with a hollow needled syringe is enough to collect
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- Sanitize the outside of each [culture medium](#culture-media).
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1. Cut the stem off the mushroom with a sanitary knife, .
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1. Cut the stem off the mushroom with a sanitary knife.
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2. Pull the plunger of a sanitary syringe to halfway out.
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@ -370,7 +369,7 @@ These are usually sold as
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> Instant Microwavable Whole Grain Brown Rice
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For your first time I recommend you try this method to learn the process.
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For your first time I recommend store bought sterilized whole brown rice to learn the process without worrying about contaminated grain.
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Simply cut a small hole in a corner of the sterile container and follow the instructions for [spawn inoculation](#spawn-inoculation).
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Tape the small hole closed.
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@ -385,8 +384,6 @@ These general instructions are the same for most [grain spawn](#grain-spawn) but
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- [ ] colander
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- [ ] ladle
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- [ ] boiling pot
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- [ ] aluminum foil
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@ -414,19 +411,18 @@ Imperial | Metric
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4. Bring a pot of water to a rolling boil.
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5. With a ladle, carefully add one scoop at a time to the boiling water.
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5. Carefully ladle scoop of the grain into the boiling water at a time until all the bird seed is added.
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Let the water return to a boil for no more than 5 minutes.
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6. Once all the bird seed is added let the water return to a boil.
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6. Strain again with a colander for 1 hour to dry, stirring occasionally.
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7. Strain again with a colander for 1 hour to dry, stirring occasionally.
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7. Split evenly to each 16 oz wide mouth mason jar, about 1 cup.
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8. Split evenly to each 16 oz wide mouth mason jar, about 1 cup.
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8. Cover jar opening with aluminum foil and [autoclave](#autoclave) for 2 hours.
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9. Cover jar opening with aluminum foil and [autoclave](#autoclave) for 2 hours.
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9. Lightly screw lid over the foil to secure it in place without sealing the jar and allow to cool to room temperature.
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10. Lightly screw lid over the foil to secure it in place without sealing the jar and allow to cool to room temperature.
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11. Store in a dark cool place until inoculation.
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10. Store in a dark cool place until inoculation.
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# Spawn Inoculation
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@ -545,25 +541,21 @@ Harvest mushrooms after their gills are exposed but before they dump their spore
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- [ ] food scale, grams
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- [ ] 16 oz wide mouth mason jars with lids
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- [ ] distilled water
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- [ ] 50 to 100 ml syringe with hollow needle, [autoclavable](#autoclave)
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- [ ] 16 oz wide mouth mason jars with lids
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- [ ] 30 to 50 ml test tube with screw cap, [autoclavable](#autoclave)
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- [ ] 50 to 100 ml syringes with hollow needles, [autoclavable](#autoclave)
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- [ ] electric pressure cooker, stove top, or [autoclave](#autoclave)
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- [ ] agar
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- [ ] light malt extract
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- [ ] light corn syrup
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- [ ] diammonium phosphate with urea
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- [ ] paring knife or scalpel
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- [ ] agar
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- [ ] 30 to 50 ml test tubes with screw cap, [autoclavable](#autoclave)
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- [ ] inoculation loop
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@ -575,8 +567,6 @@ Harvest mushrooms after their gills are exposed but before they dump their spore
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- [ ] colander
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- [ ] ladle
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- [ ] boiling pot
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- [ ] aluminum foil
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