For small operations (new farms) using a pressure cooker can help you sterilize several small bags at. Time needed to sterilise 3 4 hours. How To Load A Pressure Cooker Its common practice for mushroom cultivators to use pressure cookers or canners to sterilise grain for spawn or substrate for producing fruiting blocks. The larger the substrate being sterilized, the longer PC run you will want to ensure the core of the substrate becomes heated to the proper sterilization temp and time (15 psi for 90 minutes) I do 4 and 5 quart spawn bags for 2 hours at 17 psi. Principle. Wipe down your grain jar and your agar dish with alcohol, and set them in front. Run your hands through the grain to shake dirt loose. 5) Bring Up to Temp and Monitor Pressure. We use the Type A fold on bags that sit semi-submerged with the filter patch in the upwards position in water & Type B fold on bags that sit above water level. You will need enough water to cover the whole sterilization process. Bring to a boil and sterilize for 90 minutes if I recall correctly. May 08, 2013 The internal pressure has to reach and maintain 250f for 90 minutes in order to properly sterilize grains. How many pounds of hydrated can you sterilize all at once. Adjust accordingly. With boiling temperatures, you can also steam the jars in a large pot for 60 to 75 minutes. The recommended pressure is 15 PSI. All the documentation. Measure the desired amount of grain. 5 cm of cold water and your mushroom substrates. You can Google for specific instructions. If you use a pressure cooker, put the jars on the rack, add a cup of water, and cook them for 45 minutes at 15 psi. Principle. Steam or just pressure cook is a fine setting. Grain spawn is cooked, sterilized, and cooled grain that you inoculate from myceliated petri dishes or liquid culture (LC). Keep this in mind in your work flow. Sterilizing with a pressure cooker The temperature in pressure cooker can reach up to 120C (250F) when the pressure reaches 15psi. Based on this definition, a "substrate" is any medium that a mushroom culture will grow upon. Step 2 Cook the grains for 15-20 minutes so that they absorb water. With boiling temperatures, you can also steam the jars in a large pot for 60 to 75 minutes. Also "grain spawn" isn&39;t grain spawn until its fully colonized with the desired fungi and ready for spawning - til then its just "grain". The problem is that the liquid culture I purchased (blue oyster) does not have a needle. I want to make grain (rye) spawn with a regular pressure cooker that doesn&39;t have a pressure gauge. Sterilising the substrate. Add the grains to the instant pot. I sterilize grain spawn in canning jars with wide mouths (for ease. Let the jars cook at high pressure for ten minutes and then either choose to release the pressure quickly or slowly. code p1093 duramax diesel. For small operations (new farms) using a pressure cooker can help you sterilize several small bags at one time. This will kill off any potential sources of contamination on the blade. Make sure the lid is closed properly. Quart grain master to bags works well. Once you fill up. Secure the lid, press sterilize time 15 minutes high. 5 hours Dry Mixing Protocol Add the desired amount of grain to your jar or bag. Cover the lids with aluminum foil before placing the jars in the pressure cooker. Once this is done, place the weight on top and allow it to reach 15 PSI. Presto's 23-quart pressure cooker is ideal for sterilizing grain spawn, substate, agar, and more. Inoculating Grain Spawn with Liquid Culture. Almost anything else that you want to sterilize can be done with a pressure sterilizer. Step 2 Set Up in a Clean Environment. Drain, when well drained and just damp place in a bowl mixing in a rounded tablespoon of fine gypsum powder per pound of dry weight grain, mix well and then fill your sanitized quart mason jars making sure not to over pack them leaving at least three inches or so of head room. You can sterilize grain spawn without a pressure cooker by boiling it in water for at least 30 minutes. Step 1. Today&39;s episode of Andrew&39;s quick tips discusses just how easy it is to sterilize your mushroom growing substrate in a pressure cooker. Steam sterilization is most often done via pressure cooker or autoclave (steam sterilizer. Fold in the gusseted sides, bringing the front and the back together. Sep 09, 2010 Quick Reply. The large. 5 hours. As a general rule of thumb, rye grain will double in volume and mass after the soak and boil. Its better to be in plastic bags. As a general rule of thumb, rye grain will double in volume and mass after the soak and boil. Organic Rye Grain - 50 lbs. We pressure cook grain at 15PSI for 75 minutes. You can sterilize grain spawn without a pressure cooker by boiling it in water for at least 30 minutes. Insert the steam rack and place items to be treated on the rack. Pressure Cook it. An instapot will often only reach approximately 7 8 PSI and for this reason sterilisation times for preparing grain spawn may need to be extended by 30 minutes. The duration of sterilization time depends a lot on the ingredients of the substrate and the volume of it. PASTEURIZATION PROCESS. Making grain spawn can be broken down into 6 easy steps. The Type A fold is a concertina fold that leaves the unsealed. In a small pressure cooker, two to three hours of sterilization at 15 psi or 250F. The Type A fold is a concertina fold that leaves the unsealed opening of the bag above water level. Hydrate The Grain Bring a large pot of water to the boil. Can you use an instant pot pressure cooker that reaches 10 psi to sterilize a grain bag spawn bag with rye. Inject 1cc of spawn into your uncle ben&x27;s packet. Mar 04, 2022 Sterilize the grain jar at 15 psi for 90 minutes in the pressure cooker. cup dry grain 90 g. You can sterilize grain spawn without a pressure cooker by boiling it in water for at least 30 minutes. The Type A fold is a concertina fold that leaves the unsealed. I use a Bella pressure cooker that only gets up to 10psi and Ive never had a contam problem. font awesome download free. 1m You can sterilize your grain in a pot of boiling water it just takes longer look up the Tek. Step 2 Dry out the Corn in a Sieve or Tray. Simmer, Drain and Dry The Grain Sterilize Inoculate With Liquid Culture Colonize 1. Try to keep the top of the bag completely clean of grain and wipe clean as. Bring the water to a boil and allow the jars to boil for fifteen minutes. Put extra mason jar rings on the bottom of the pot to keep jars off of the metal. Place a ring on jar tighten the ring slightly and then backing the ring off a quarter turn. The perfect. Doing this will kill any harmful bacteria or contaminants that may be present. Glass jars can simply be placed on a towel at the bottom. The pressure cooker is a must-have kitchen appliance these days. Spawn is typically made by mixing a substrate with a small amount of live mycelium, which will then colonize the substrate. hwy 212 construction. 5 hrs. You need to reach 15psi so that the temperature can reach 250F from what I have read. I sterilize grain spawn in canning jars with wide mouths (for ease of transferring) that have been fit with airport lids. Making reliable grain spawn for free. Bulk Spawn Use. 1) Fill your pressure cooker with 1-2 inches of water and place the rack inside. 700r4 to 231. Rinse the grain in cold water or until the water is pouring off mostly clear. if running a dozen jars I do one set around dinner, which cools before bedtime, and run the other overnight. The larger the substrate being sterilized, the longer PC run you will want to ensure the core of the substrate becomes heated to the proper sterilization temp and time (15 psi for 90 minutes) I do 4 and 5 quart spawn bags for 2 hours at 17 psi. Once it reaches 15 PSI, start your clock and cook it for 90 to 120 minutes. Conversions 90 g dry grain per pint jar. Mushroom cultivation update 2018 - Loading 6 x 1kg2lb barley grain bags in my 23 quart Presto pressure cooker. How to make popcorn grain spawn jars without a pressure cooker, in the oven. 3) Close the pressure cooker and set it to 15 psi (pounds per square inch). Hello This is my first time growing shrooms So far I have jars with a vermiculite, distilled water, and organic brown rice flour mixture. Once boiled, turn down the gas to low so that the corn simmers in the water. Soak The Grain The first step to making grain spawn is to soak some cereal grain. How to make popcorn grain spawn jars without a pressure cooker, in the oven. Sterilizing with a pressure cooker The temperature in pressure cooker can reach up to 120C (250F) when the pressure reaches 15psi. 5) When the pressure cooker is on 15 psi let it do is job for 45 minutes 6) Turn of the heat and wait for the jars to cool down. Next, use your spore syringe. horror in the high desert 2 minerva release date ambulance french movie county line 40 ton log splitter winchester low brass shotgun shells does qcarbo20 clear work. Pour the Popcorn into the boiling water. Hello guys, One question, have searched around a bit but find shared opinions on this. Then just do another round of quarts with one of your masters for more bags. Check out the calculators and cultivation recipes at oneearthmushrooms. Submerge your bulk substrate in the water. Turn on the heat to high and bring the water to a boil. Plus the 1 safety tip you should always use with the pressure cooker. Once you fill up. As a general rule of thumb, rye grain will double in mass after the soak and boil. Soak the grain by simply placing it in a bucket or bowl with. Set the Instant Pot to the Manual or Pressure Cook setting, and cook the pasta for six minutes. Once the jars are filled, cover the lids in tinfoil (to prevent water dripping into the lid) and then just pressure sterilize them for about 90 minutes at 15 psi. a nurse is collecting data from a client who is postoperative following abdominal surgery. How To Load A Pressure Cooker Its common practice for mushroom cultivators to use pressure cookers or canners to sterilise grain for spawn or substrate for producing fruiting blocks. cup dry grain 90 g. Organic Rye Grain - 50 lbs. Rinse the grain in cold water or until the water is pouring off mostly clear. 5 hours at 15 psi. How fast you can ramp up or cool down determines how long the whole sterilization process will take. I&39;m calling it you can successfully sterilize grain spawn jars in an Instant Pot. In the meantime put all dry ingredients (sawdust, rye brain and gypsum) into the mixing container and mix very well. Sterilizing Your Bags. Then refill the pot with clean water. Keep an eye on the pressure cooker during sterilization. Add the weight to the vent pipe once the steam exits at a steady flow and not sputtering. COMMENT since the grain is in direct contact with the boiling Kyro water the grain should reach a sterilizing temperature faster than in a pressure cooker where the heat from the water in the pressure cooker needs to travel through the glass jar and the air (not water) surrounding the grain. Making grain spawn without pressure cooker. The Type. Fill your pressure cooker up to the minimum requirement line (this is usually 2-3 pints of water for mine). What we want in this hobby is a sterilizing PC. Hey Yall - Episode 1 in Andrew&39;s Quick Tips Today&39;s episode of Andrew&39;s quick tips discusses just how easy it is to sterilize your mushroom growing substrat. Once sterilized in the pressure cooker, you want your spawn grain to cool at room temperature typically for 12 hours. Hey Yall - Episode 1 in Andrew&39;s Quick Tips Today&39;s episode of Andrew&39;s quick tips discusses just how easy it is to sterilize your mushroom growing substrat. Add the pre-cooked grain to your jars or bags and sterilize at 15 psi for 2. . 2 bedroom loft for rent waitress uniform store. Preparing Grain Spawn in Mason Jars. before cooking them (in fungus-friendly water). Allow the Popcorn to sit inside the simmering pot. Adjust accordingly. Plus the 1 safety tip you should always use with the pressure cooker. Then, drain it and inoculate it with your . herpes on perineum female susan miller july. Place jars inside a large pot. 4 Steps to Making Grain Spawn. How to safely load your sealed bags of grain into your pressure cooker for sterilization. Once sterilized in the pressure cooker, you want your spawn grain to cool at room temperature typically for 12 hours. Making grain spawn without pressure cooker. Keep this in mind in your work flow. Bring to a boil and sterilize for 90 minutes if I recall correctly. The reason for the pressure canner is to get the internal temperature over 200 degrees. Hydrate The Grain Bring a large pot of water to the boil. 5 hours at 15 psi. Let the wood chips soak in cold water overnight (12-18h). 5hrs, let sit for 12 hrs, remove all brokenburst kernels, boilsteam a third time for 1. Bring the temperature up to maximum and let the cooker pressure up. code p1093 duramax diesel. I want to make grain (rye) spawn with a regular pressure cooker that doesn&39;t have a pressure gauge. I want to make grain (rye) spawn with a regular pressure cooker that doesn&39;t have a pressure gauge. Bring the temperature up to maximum and let the cooker pressure up. Sterilize your grain for at least 2. Inoculation Grain can be inoculated with with a syringe, agar wedges of grain to grain transfer, while the PF-jars are limited to a syringe. Cook for 60 minutes at this pressure. Inoculating Grain Spawn with Liquid Culture. Turn down the heat but maintain the pressure at 15psi for 90 minutes Once 90 minutes has passed, turn off the heat. For grain to grain, youll divide up the master jar evenly into the number of recipient jars of your choosing. We sandwich the bags 2 by 2 between aluminium plates, and pile the plates. In this post httpsmycotopia. Steam Alternatively, steam sterilization is the other, preferred form of sterilization among growers. Wipe down your grain jar and your agar dish with alcohol, and set them in front. Feb 06, 2020 If youre inoculating agar then one grain is all you need. The temperature inside will rise above the boiling point of water and that will kill off all the nasties. Pressure Cook it. Use as much water until all the chips are floating. Micropore Tape Place two layers of tape over each gas exchange hole and underneath the ring of your jars. subaru shipping schedule to australia. Sterilizing Rye Grain for Spawn in a Pressure Cooker Ingredients 90 g rye grain per 1 pint of desired spawn Gram scale or measuring cups and spoons Mixing bucket Mixing spoon or paddle Thermometer gypsum powder Large cooking pot Colander, muslin bags or cheese cloth Mason jars with filtered lids and rings or filtered grain bags Aluminum foil. PASTEURIZATION PROCESS. Run your hands through the grain to shake dirt loose. Can you use an Instant Pot to sterilize grain or other substrate for growing mushrooms Historically, I&39;ve said no, because the Instant Pot does not reach the temperatures and pressures that. The best way to store mushroom liquid culture is to keep it in a cool, dark place. It can do everything from make delicious stews to defrost meats in no time. Grain spawn is an important tool for the mushroom cultivator. Once this is done, place the weight on top and allow it to reach 15 PSI. For the slow-release, take the pot off the hob and leave it be. Use a Cooks Essentials pressure cooker by adding the ingredients with at least 1 cup of water, sealing the lid and selecting the appropriate cook cycle. I will be using mason jars to inoculate the grain spawn, though growing bags are an option I have. I couldn&39;t find any tips, videos or guides on how would that be feasible or controlled since you don&39;t know the exact pressure. When sterilizing more than 100 bags in a large pressure vessel, however, the thermodynamics of the entire mass must be carefully considered in choosing a successful sterilization protocol. I think it&39;s called like no pressure cooker boiltech or something like that 1 level 1 just now Your pc weight is 15psi just make sure its rattling and your good 1 View Entire Discussion (2 Comments) More posts from the MushroomGrowers community 1. You can sterilize grain spawn without a pressure cooker by boiling it in water for at least 30 minutes. You can sterilize mushroom spawn without a pressure cooker by following these simple steps Fill a large pot with water, filling it about. used oyster mushroom mycelium grown on the fermented fig tree twigs. Inoculating Grain Spawn with Liquid Culture. Both are well over the 160 or so that pasteurization requires. Fill the pot with water and stir the grains to suspend any dirt and debris that might be on the grains. grain spawn sterilization Plastic jars need to be placed on some kind of metal stand such as a kitchen (under the pan) and placed so that they do not come into contact with the walls of the pressure cooker. . The temperature inside will rise above the boiling point of water and that will kill off all the nasties. Cover the jars and boxes with a double layer of tinfoil. I have access to a pressure canner, and plan to use one. If you use a pressure cooker, put the jars on the rack, add a cup of water, and cook them for 45 minutes at 15 psi. Once it reaches 15 PSI, start your clock and cook it for 90 to 120 minutes. The duration of sterilization time depends a lot on the ingredients of the substrate and the volume of it. Add the weight to the vent pipe once the steam exits at a steady flow and not sputtering. To avoid saturated bags we fold bags as indicated in our grow bag folding method. Rinse and repeat until the water looks crystal clear. Step 4 Drain. Place the grain bags or quart jars in your pressure cooker to sterilize based on the method used (bag or jar) and the size of the bag. As a general rule of thumb, rye grain will double in mass after the soak and boil. Step 1 Rinse and clean the grains, soak in water for 12-24 hours. I have since purchased a pressure cooker and would recommend it. Do some sort of wireless meters exist or something that i would know the pressure inside. Step 3 Place Grain in Mason Jars and Pressure Cook for 90 Minutes at 15 PSI. Once it reaches 15 PSI, start your clock and cook it for 90 to 120 minutes. The good news is that you can sterilize your substrate using a pressure cooker. Fill your pressure cooker with water and substrate. To avoid saturated bags we fold bags as indicated in our grow bag folding method. I also do not recommend starting a bag from a wedge or MS syringe. You need to reach 15psi so that the temperature can reach 250F from what I have read. 3) Pressure Sterilizer. Polyfill this is pulled through the gas exchange holes leaving some sticking through both sides of the holes but not touching the grain. reaching 250F will sterilize everything, which is different than pasteurization which doesn&39;t kill all the bacteria and contaminates 1 Reply Share ReportSaveFollow. The ratio of water to substrate should be 11. jav abc, nascar live leaderboard
Constant monitoring is required. . How to sterilize grain spawn with pressure cooker
Steam or just pressure cook is a fine setting. Green beans should not be canned by any method except pressure canning. Let it cool naturally in the pressure cooker for a couple of hours. For the slow-release, take the pot off the hob and leave it be. Allow to soak for 1 hour. Lift micropore tape off the uncle bens packet and insert the needle directly into the rice packet. If you leave the grain for too long, it will eventually sprout- so try not to soak it for more. Organic Rye Grain - 50 lbs. Joshua Plymouth. level 1 2 yr. Cover the lids with aluminum foil before placing the jars in the pressure cooker. I use a Bella pressure cooker that only gets up to 10psi and Ive never had a contam problem. ) Step 1 Rinse and clean the grains, soak in water for 12-24 hours. And again read and follow the safety instructions that come with the pressure cooker. Each of these filters should be applied before sterilization in a pressure cooker. A Mushroom. Today&39;s episode of Andrew&39;s quick tips discusses just how easy it is to sterilize your mushroom growing substrate in a pressure cooker. The steam can circulate very well around the bags, and the maximum thickness is only few cm. tmohs1 unlock. Filling bags with substrate Roll down the autoclave bag about 10 cm and pour in 2. Put the soaked wood chips in to a sieve and let drain for around 15 minutes. This is done so that the filter does not get wet in the pressure cooker during. Almost anything else that you want to sterilize can be done with a pressure sterilizer. Equipment and Instructions. sentry key immobilizer system bypass toilet service sex video tennessee little league state tournament 2022 halloween skeletons. I sterilize grain spawn in canning jars with wide mouths (for ease of transferring) that have been fit with airport lids. 5 hours at 15 psi. Step 4 Drain the water. Try to keep the top of the bag completely clean of grain and wipe clean as. Step 3 Place Grain in Mason Jars and Pressure Cook for 90 Minutes at 15 PSI. The problem is that the liquid culture I purchased (blue oyster) does not have a needle. 4 level 2 2 yr. How fast you can ramp up or cool down determines how long the whole sterilization process will take. Be sure to allow the cooker to steam for a few minutes at boiling to remove all of the air inside as this will help it sterilize better. In general the pressure cooker sterilization procedure is as follows If you are sterilizing a sample in a container (eg agar) make sure it . I have since purchased a pressure cooker and would recommend it. Flame sterilize the needle with your butane torch until it is glowing red, then carefully move it into the still air box. To avoid saturated bags we fold bags as indicated in our grow bag folding method. Step 2 Set Up in a Clean Environment. This is done so that the filter does not get wet in the pressure cooker during sterilization. Before you put the pressure cooker on the gas Inspect the articles, supplies, jars, and bags which you are going to sterilize. I use a Bella pressure cooker that only gets up to 10psi and Ive never had a contam problem. Step 3 Drain and dry any. Allow to soak for 1 hour. We spent this afternoon making grain spawn, . I use a Bella pressure cooker that only gets up to 10psi and Ive never had a contam problem. Fill your cooker with your substrates, grain, or agar, and fill with an adequate amount of water. I have since purchased a pressure cooker and would recommend it. Making grain spawn without pressure cooker. Cooking grain, sterilizing tools and grain spawn, pasteurizing bulk substrateall these significant steps of mushroom cultivation happen inside . May 03, 2020 5. Inoculating Grain Spawn with Liquid Culture. Then you can close the pressure cooker according to its design. Step 3 Place Grain in Mason Jars and Pressure Cook for 90 Minutes at 15 PSI. Add the weight to the vent pipe once the steam exits at a steady flow and not sputtering. The first step to making grain spawn is to soak some cereal grain. Step 2 Dry out the Corn in a Sieve or Tray. Growing mushrooms just got WAY more convenientMy Instant Po. Fill with water until there is at least 1 inch (2. This could take a really long time, depending on the size of your cooker. Loosen the lid on the top of the grain jar for easy access, but keep it closed. Once again, this step requires you to sterilize your grain in a pressure canner, or you can purchase already sterilized grain spawn jars. I have since purchased a pressure cooker and would recommend it. tmohs1 unlock. You can sterilize grain spawn without a pressure cooker by boiling it in water for at least 30 minutes. This is usually done in a pressure cooker or canner but can be done on an electric bench top or instapot pressure cooker (slower than a stovetop but still reaching 8 10 PSI). All the documentation and resources Ive gone through state clearly to pasteurize at 15 psi for 90 minutes. The perfect. First thing to do is clean the Pressure cooker very good. Step 3 Place Grain in Mason Jars and Pressure Cook for 90 Minutes at 15 PSI. , sterilizing the grain spawn . Fill with water until there is at least 1 inch (2. 3 on high, 7 on low. grain spawn sterilization Plastic jars need to be placed on some kind of metal stand such as a kitchen (under the pan) and placed so that they do not come into contact with the walls of the pressure cooker. 12 cups (3 litres) of organic whole wheat grain (pre-soaked for 24 hours in cold water). Grain substrate sterilization in autoclave - 121C or 250F or 15 psi - for mushroom grain spawn. Equipment and Instructions. 3) Close the pressure cooker and set it to 15 psi (pounds per square inch). Step 1 Rinse and clean the grains, soak in water for 12-24 hours. After that, youll want to sterilize your jars. Sep 09, 2010 Quick Reply. Make sure that the container has a tight fitting lid. Sterilizing Rye Grain for Spawn in a Pressure Cooker Ingredients 90 g rye grain per 1 pint of desired spawn Gram scale or measuring cups and spoons Mixing bucket Mixing spoon or paddle Thermometer gypsum powder Large cooking pot Colander, muslin bags or cheese cloth Mason jars with filtered lids and rings or filtered grain bags Aluminum foil. How to safely load your sealed bags of grain into your pressure cooker for sterilization. How to make popcorn grain spawn jars without a pressure cooker, in the oven. Step 1 Hydrate the Corn in Simmering Water for 3-4 Hours. Once our jars were full and the lids were on, we put them all into the pressure cooker with two inches of water in the bottom. COMMENT since the grain is in direct contact with the boiling Kyro water the grain should reach a sterilizing temperature faster than in a pressure cooker where the heat from the water in the pressure cooker needs to travel through the glass jar and the air (not water) surrounding the grain. Its better to be in plastic bags. comments sorted by Best Top New Controversial Q&A Add a Comment. Inoculating Grain Spawn with Liquid Culture. comments sorted by Best Top New Controversial Q&A Add a Comment. Lift micropore tape off the uncle ben&x27;s packet and insert the needle directly into the rice packet. I like to do any contamination sensitive work in front of a laminar flow hood, in which inoculating grain spawn definitely qualifies. Let it cool naturally in the pressure cooker for a couple of hours. Measure the desired amount of grain. subaru shipping schedule to australia. All the documentation and resources Ive gone through state clearly to pasteurize at 15 psi for 90 minutes. How to safely load your sealed bags of grain into your pressure cooker for sterilization. Lift micropore tape off the uncle bens packet and insert the needle directly into the rice packet. As a general rule of thumb, rye grain will double in mass after the soak and boil. Step 4 Drain. Jan 28, 2019 Alternatively, steam sterilization is the other, preferred form of sterilization among growers. The ratio of water to substrate should be 11. Normally, it should remain viable for about 6 months if stored properly. Before you put the pressure cooker on the gas Inspect the articles, supplies, jars and bags which you are going to sterilize. It usually takes around 10 minutes to get up to temp. Jan 28, 2019 Water must be boiled for at least 20 minutes to achieve sterilization ergo large amounts of water are necessary in order to prevent evaporation from exposing your substratesequipment. Presto's 23-quart pressure cooker is ideal for sterilizing grain spawn, substate, agar, and more. If you leave the grain for too long, it will eventually sprout- so try not to soak it for more. Once this is done, place the weight on top and allow it to reach 15 PSI. Inoculate With Liquid Culture. Simmer, Drain and Dry The Grain. Step 3 Place Grain in Mason Jars and Pressure Cook for 90 Minutes at 15 PSI. Deadly bacteria can proliferate, causing spoilage, sickness and even death. You can sterilize mushroom spawn without a pressure cooker by following these simple steps Fill a large pot with water, filling it about halfway up the pot. All the documentation and resources Ive gone through state clearly to pasteurize at 15 psi for 90 minutes. . spn 633 fmi 7 kubota