Shroomery substrate pasteurizing If you look at the extremes, hot water pasteurization takes around 2 hours, while cold water fermentation can take 1 to 2 weeks, depending on the amount of substrate. 56 qt. May 8, 2010 · So I'm currently in the process of pasteurizing substrate for a first attempt at monotub, but I'm having trouble heating the entire pot of goodies. If you need to pasteurize your substrate or casing: In case you are an idiot, it's this button. For hot water or steam pasteurization, large pots or drums that can withstand heat are suitable. Filter patch bags seem to be great for spawn, but strictly for pasteurizing substrate (Coir Vermiculite Gypsum), what are the advantages of filter patch bags compared to oven bags? Jul 26, 2011 · The best way to pasteurize bulk substrate materials is inside of quart jars or spawn bags using water as the heat transfer medium. You can add 10%-30% vermiculite. May 25, 2013 · Stro's Take On Pasteurization I find one of the most important things in making your pasteurizing using a stove easier is knowing your stove and current set up. Jan 14, 2014 · CAP_TURTLE said: I have been adding lime to my bucket tek water to make oyster buckets and it works great and seems to speed up colonization and I havent had the contamn problem I had for a few buckets. We want to hold the temperature of Mar 27, 2014 · Quote: FrankHorrigan said: My guess is that your coir becomes inhospitable to the mycelium due to the drastic increase in pH. Mar 14, 2014 · I added the peroxide and gypsum to hot tap water, somewhere around 130 F. Try one of these methods: Stove Top Pasteurizing - You want to pasteurize in jars or oven bags in a pot of water between 60C/140F - 70C/160F for one hour. Try to be sure to allot time to inoculate your bulk substrate materials AS SOON as they reach room temperature. i would keep the water at 160-170 until the center of the substrate would read the same. What works best in your experience? Jan 31, 2008 · There seem to be a lot of different teks on bulk sub and casing pasteurizing. Advertising; Contact Us; Credits; Emergency Info; Info For Parents Apr 22, 2015 · What is your substrate and exactly how are you pasteurizing it?I know you said you use a roaster thingy, but I would be interested in more details. php/Number/19367080/fpart/all/vc/1 & I thought a Apr 23, 2010 · i use to be real particular about pasteurizing until i realized i was wasting my time. Substrate Material: The substrate is the medium in which the mushrooms Dec 15, 2024 · The beauty of this setting is that it holds food at, you guessed it, pasteurization temp to keep it safe from bacteria for up to 10 hours. That's why we bring the water to a full boil when our substrate or casing material is being heat treated in jars. shroomery. Apr 17, 2003 · Maybe somewhere along the way I missed the answer, but I am still not clear on this: we DO PC/sterilize (and not pasteurize) grain substrate, and yet other organisms can grow on grain. There are several different pasteurization methods, including low-tech methods ideal for beginner mushroom growers. Then I had to work all week and wasn't able to get Aug 31, 2011 · I decided to finally try out some pasteurized substrateWell more like a pseudo pasteurized substrate, because I used Damion's5050 coir tek. Oct 6, 2011 · I messed up also. For cold pasteurization methods, food-grade plastic buckets or bins may be used. per bucket its been about 7. Used for making filters on substrate jars. Eatyoualive initially says to cook the substrate for A: Without a pressure cooker birdseed can´t really be recommended. anyway, maintain between 140-160f for 1 hour. The point of pasteurizing a substrate is to kill off undesirable bacteria and mold spores while leaving intact certain beneficial microbes that will protect the sub from being contaminated by other competitors while your chosen mycelium runs through it. Up till this point I have always just sterilized my substrate, but figured I would give pasteurizing a try being that it seemed less time consuming, and required less prep. The spawn contains all the nutrients the mushrooms will need. Oven Pasteurizing is probably not a good method. Why is Poo any different as a substrate, if Cubensis does not need these microorganisms ? Needed for sterilizing grain substrates. If I had done that, the grain in my substrate would Using the microwave oven for pasteurisation of casings or dung substrates is effective and easy. Mar 29, 2010 · I remember reading somewhere that it's not necessary to pasteurize a bulk sub. First bring the casing to the target moisture (when you take a handfull of the material and squeeze it with your hand,not too hard, a few drops of water should come out of it) Feb 13, 2025 · The beauty of this setting is that it holds food at, you guessed it, pasteurization temp to keep it safe from bacteria for up to 10 hours. Oct 6, 2015 · Pasteurisation is usually cheaper than sterilisation – it requires less equipment and energy. I've heard that the pillowcase method will wash away nutrients and the cooler method just doesn't stay hot enough. The temp ended up going over 180 degrees or maybe 20 min. Oct 28, 2007 · WTF is a pain in the ass about it? First, the substrate/casing is heated to 140F, not 160F before the stove is shut off. RR said a substrate ph off 5. Its also a good way to add volume to your bulk substrate. Nov 10, 2014 · I was reading a wonderful thread about pasteurizing substrate with Lime http://www. You can get one at the grocery store or at Walmart. Anybody have any luck with this method? Throughout this article, we've explored the critical role of pasteurizing mushroom substrate in successful mushroom cultivation, explaining the differences between pasteurization and sterilization, the various methods available, and how to avoid common mistakes. Home. then remove from heat, put the lid on it and let sit over night. I was worried about using my manure for a substrate because it was so high. The only drawback is that the sous vide is so effective at heating the jars that a decent amount of water evaporates from whatever you are pasteurizing. Time and temperature do matter. He posted back and told me that he would use my manure as a substrate. The temperature inside the center of the substrate in a jar is still not much over room temperature when the water surrounding it begins to boil. monotubs noc'd with 4 jars (quart jars) colonized WBS spawn. So thats what im going to do. There are methods of sterilizing without one, the two that come to mind are tyndallization and post-pasteurizing peroxide treatment [effectiveness unknown to me]. 3) Next, it is time to add water to your substrate. Craft store. Nov 27, 2018 · This is complete nonsense. Jul 23, 2020 · Here you go: Content Index 3:30 Using agar for creating cultures 4:09 Basic clean procedure described 5:10 Pouring petri dishes 9:22 Making and using an incubator (only needed if your room temps are below 70F) 11:42 Selecting a grain 13:24 Preparing grain before inoculation 22:29 Inoculating grain with spores 24:07 Inoculating grain with Jul 26, 2011 · I've heard many different methods. materials, IF you don't use them for 2 weeks, to keep the materials viable, I'd recommend you recycle those substrate materials, bringing them BACK to field capacity, before re-pasteurizing. Pasteurizing a substrate gives the mushroom mycelium a head start, allowing it to spread throughout the substrate before other contaminants, such as mold or bacteria, get a foothold. I heard that it actually kills a lot of the nutrients in it and it doesn't really do much to stop contaminates Oct 18, 2007 · You must remember that glass is an insulator. so I took it out and put it on the stove to let it cool down. ill be using damon5050 tek but want to avoid the bucket system for pasteurization. I also added a supplement I was using when in was pasteurizing straw, a store bought composted chicken manure product. Dec 5, 2013 · In a 21-quart pressure cooker, I would use mason jars to pasteurize substrate, but that would pasteurize only a small amount of substrate, so I'm wondering about bags. But anyway it's terrible advice because first of all the OP is clearly inexperienced so he's a lot better off following a pre measured algorithm instead of adding too much water and then squeezing excess out. 5 qts of water to 8 gallons of pellets with a tbsp or 15ml volume of lime added. I don't understand how edible mushie's myc can withstand it, but cube Sep 28, 2013 · Actually sorry the only thing I wouldn't follow to the T is the ratio in his tek. Feb 5, 2021 · I put my casings/substrate in mason jars, then submerge the jars in the @temp water and weigh them down with an iron pot. so I dont believe it will be wanted with wheat straw. Apr 10, 2013 · Search Our Forums ☰ New Account | Log In | Contact Us. Nov 21, 2009 · The oven is good for baking the dry vermiculite before performing the dunk and roll. it works perfect. If you are doing bulk you can use a pillow case or Mar 6, 2014 · So, I came here to ask if anyone has had any experience with 'cold' pasteurizing our coir substrate using hydrated lime, before I begin running some experiments myself. 4. now i just bring to a full boil for 5-10 min. Oven bags and thick trash bags'll work for this purpose so long as you'r gentle with them and don't kick them around like soccer balls. Method 1 - using Quart Jars: 1. Walmart. It is basically there to hold a little more water within the substrate, as well as keeping it fluffier and less dense. Oct 14, 2021 · Pasteurization is a method used to reduce the number of microscopic competitors (contaminants such as trich) inside a substrate before adding in inoculated grain spawn. anyways as my goal is to run 15 tubs. I'm interested to hear what others are currently using and would. Available at Walmart and from several Shroomery vendors. The method i use, is to mix all my dry ingredients together, hydrate to field capacity then load into jars, put foil over the jars (no lid) Load into a pot of water (using something to keep your jars of the bottom of the pot) stick a thermometer into 1 jar so Nov 30, 2011 · I don't know that. Have a look at RR pasteurizing bulk sub. if your grow fails u fucked something May 22, 2020 · So, I've always done my process as such: 50/50 coir/verm to field capacity. Mar 6, 2014 · So, I came here to ask if anyone has had any experience with 'cold' pasteurizing our coir substrate using hydrated lime, before I begin running some experiments myself. Follow your favorite tek for substrate prep and moisture content. Apr 29, 2021 · I know it's at best controversial and many say to just pasteurize. The amount of time required to pasteurize mushroom substrate varies depending on the method used and the quantity of substrate you’re pasteurizing. But how do you pasteurize big amounts such as 10-15 qts worth? Just use all four stove tops and some real big pots? Sep 27, 2020 · I know that pasteurization helps keep some of the good bacteria in the nutrients in the substrate to help fight off contamination but he says that you need to use the PC for your substrate. However, I realize that supplemented sawdust is typically PC'd. The oven tek, the cooler tek, the boiling pot tek, etc. Canning Jars - Some grocery stores. Feb 16, 2016 · Welcome to the Shroomery Message Board! You are experiencing a small sample of what the site has to offer. Pausterizaiton also allows beneficial bacteria to remain within the substrate which then fights off other competitive contaminants which may attempt to multiply in the substrate. Apr 24, 2015 · Last weekend, I pasteurized about 15 gallons of bulk sub. The Basics A little civility goes a long way The Noob Forum The Hammock Hangers' Forum Jun 1, 2011 · I am considering using sawdust as the primary substrate component in my stepped up oyster grows. Feb 24, 2012 · This is the method that I use to prepare pasteurized coir/coffee substrates for my edible and medicinal experiments, but it can easily be adapted to just coir/verm, horse/cow manure, or whatever your substrate mix of choice is. There’s a bunch of ways you can go about this process, but here’s how we’ve whittled ours down over the years to the most time, energy + cost efficient way for home-scale mushroom growing that we’ve figured so far. i bag mine in multiple trashbags and place in my PC. Polyfill - Stuffing in pillows, stuffed toys. 5-6 is fine because the mycelium will colonize faster at a lower ph and there fore not give contams a chance to take hold. From my understanding, the idea is to use the hydrated lime (hi-yield brand) to adjust the substrate's pH level to 12. Jul 13, 2011 · SINCE you already pasteurized your sub. Is anyone here sterilizing their sub (CV) and if so can you share you process? Feb 14, 2018 · I recently started my first attempt at mushroom cultivation with a kit from shroom supply, its been about a month and im still waiting for my grains to finish inoculating but in the meantime i realized Jan 3, 2012 · I'm the type of guy that likes to have things donenot to mention doing them ahead of time quells the impatience I have while waiting for other things to finish ahem:colonization:ahem. org/forums/showflat. Feb 24, 2012 · This is the method that I use to prepare pasteurized coir/coffee substrates for my edible and medicinal experiments, but it can easily be adapted to just coir/verm, horse/cow manure, or whatever your substrate mix of choice is. I usually leave them in @160F for 1 hr. I'm using a stainless steel pot within it are Dec 13, 2005 · Holydiver, while in my latest runs I have sterilized substrates high in either manure or, when at all possible, agar's heavenly compost , the sterilized substrate was treated in a sterile manner; that is, I didn't allow it to be contaminated with bacteria or mold via outside air or otherwise. I would use 1 brick, 2 quarts verm and 5 quarts water. Meat Thermometer - Pasteurizing bulk substrates. Jun 16, 2012 · so i found this gem on this site that seems to come from another site. Pressure cooker is pretty much part of the game, IMO. i have a meat thermometer in there and its perfect so i guess im good to go Containers for Substrate: The choice of container will depend on the pasteurization method. I mixed everything together in a tub, let the substrate cool to 100 F then added my spawn and portioned out into filter bags. 5, which would not be suitable for green & other molds to grow. so far the temps at around 145-150 in the middle of the jar where the substrate is. Mar 13, 2013 · Hi there, this is my first time pasteurizing and I am pasteurizing coir and verm, followed Franks method, and it seems I over heated it and my temperature got to 168 at the highest, and it was at May 7, 2006 · if so, how much time and what temp? May 17, 2013 · Theres plenty of posts about pasturising bulk substrate, its been talked about recently. Coir bricks, coarse verm. Second, it's the easiest, least messy way to pasteurize home-grower amounts of substrate or casing material. I was planning on using it the next day, after it cooled, but was unexpectedly delayed. I wasnt paying attention to my sub while it was pasteurizing via the oven tek. Oct 31, 2011 · You instruct to load jars with chosen substrate at field capacity and just boil em with a thermometer in one of em to test core temp. am I screwed and do I have to start all over again or is there anything I can add to my substrate to give it back the beneficial organisms for healthy mycelium growth? or should I Jan 21, 2012 · put it this way, im testing it out right now, put the substrate in jars so they are at field capacity that way theres no drainging and getting dust and shit on the substrate by draining. hulbryk uyptl godcuqx xgk bvyj cus ptlgm fkn uxcvt syu fouuudp ugfufo gyqm wpka sibb