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Yeah, I was surprised too. I started out because I thought it might be rewarding to grow with my own build system, and then step by step, it evolved. Thanks for your very kind comment!

Hey, nice that you found me! If you run into any trouble during the building process, feel free to contact me. The documentation should be straightforward, so I guess it will be a smooth process for you! Happy tinkering and hopefully happy growing soon! My mushroom designs: www.thingiverse.com/thing:6724061

@@margaretcarmichael5234 it is this item: Just found this amazing item on AliExpress. Check it out! 16,79€ | Heavy-Duty Pecan Peeling Machine Walnut Nut Hazelnut Hazel Cracker Nutcracker Tongs Hazelnut Tool Machine Kitchen Clip Tool a.aliexpress.com/_ExKjMHJ

Hey, schau gerne mal in der PDF-Dokumentation nach. Es gibt ein Hauptboard, auf dem der Timer installiert ist sowie vier Pumpeneinheiten. Ich kann jederzeit ein zweites Board unter das erste hängen und es mit der benötigten Anzahl an Pumpeneinheiten bestücken. Zeitlich wird es über den bereits vorhandenen Timer mitgestartet. Insgesamt verbrauchen die Pumpen fast keinen Strom, daher kann man ziemlich viele Pumpeneinheiten ergänzen. Näheres zum Stromverbrauch der Pumpeneinheiten findest du hier: www.thingiverse.com/thing:6638316 Liebe Grüße und viel Spaß beim Anbauen!

Ich hätte wohl nicht um 3-4uhr nachts schreiben sollen... Jedenfalls, genau Brett ist quasi für 4, zweites Brett hat man 8 und eben die Zeitschaltuhr weg lassen. Ich wusste nur nicht ob die Uhr irgendwann versagt bei zu vielen Schaltungen, wie gesagt Elektrik noob. Dann setz ich einfach nach links oder so noch 2 pumpen, ggf. Könnte man ja alles noch etwas aneinander rücken gehe ich von aus? Jedenfalls Richt richtig nice, hab sofort alles verstanden, kaum löten. Allerdings hab ich's mich auch nie getraut, danke dir.

Ah eine Frage viel mir noch ein, welche Topfgröße benutzt du so? Hab 12L Stoff vllt. Hättest du ja Erfahrungswerte Edit: der Vollständigkeit halber, gibt's Probleme mit Bio Düngern? Mineralisch?

Hey, ja, du hast alles richtig verstanden. Man kann das System sowohl nach unten als auch zur Seite erweitern. Der CN101a-Timer kann laut Datenblatt 16 A bei 12 V vertragen. Das entspricht 192 Watt. Eine Einheit verbraucht maximal 5 Watt. Der Engpass wäre daher eher beim Netzteil bzw. beim Leiterquerschnitt zu erwarten. Da die Timer nicht teuer sind, würde ich, falls ich mehr als 8 Pumpeinheiten hätte, wohl zwei Timer verwenden und die Pflanzen einfach zu verschiedenen Zeiten bewässern.@@DesertShade www.chnssr.com/timer/1140.html

@@DesertShade Es ist mein erster Brokkoli-Run, also meine erste Pflanze. Ich habe mich für günstige 20-Liter-Gefäße von Obi entschieden. In jedem E-Center gibt es günstige 20-Liter-Blumenerde, und es passen zwei Gefäße in ein 60x60-Zelt, wenn man es eng haben möchte. Hier ist ein Link zu meinen Töpfen: www.obi.de/p/2945988/artevasi-capri-campana-pflanztopf-30-cm-anthrazit Und hier ist ein Link zu einem Video, das mein aktuelles Setup zeigt: th-cam.com/users/shortsY9EeyDOD0IM

Hey, I once heard that everything was so tall back then because the gravity on Earth was different, but I think no one knows for sure. I prefer sticking to the mainstream scientific explanations on how Earth came to be. If this is a topic you like, I would advise you to check out "What is Big History" by David Christian. He also gave a course at The Teaching Company (TTC). I wouldn’t experiment with oxygen, because it would result in greatly increased costs and a much more complex growing process due to the raised fire threat when working with oxygen. I'm also not sure if the mushrooms would produce significantly larger fruiting bodies that would justify this increase in technology. Anyhow, many thanks for your question! Please share with us-what is your project goal? What do you want to cultivate and why? Wishing you happy growing and a smooth process!

Hello, I sent you an email where I explained everything in more detail.

Thanks for the great question! I chose to mount the jars vertically to ensure optimal ventilation throughout the tent. This setup helps maintain consistent humidity and oxygen levels, preventing the creation of pockets with varying environmental conditions. While it's easier to simply place the jars on the shelves like bags, this method allows for better observation of the growth process. By mounting them vertically, I can easily rotate the jars to influence the growth direction and replace them as needed. Overall, this approach provides a more controlled and observable environment for growth.

Hey again, Yes, it’s nice to see that you’ve come to the same conclusions. You already found my answer to your question in my jar cultures video. I also switched because I didn’t like the waste and the associated expenses. In my experience, bags are easier to use when you don’t have a large pressure cooker. However, if you can get jars that fit your pressure cooker, you can optimize the sterilized volume per cooking run. That’s really what counts. I guess the time involved in cooking and the energy costs might outweigh the cost of plastic bags. Also, one might consider that the ratio of substrate to fruiting body could favor using bags. However, I haven’t evaluated and compared bags and jars in this way, since I’m not running a factory and I already grow more reishi than I could ever use.

Hey Miguel, Contamination shouldn't happen at this stage unless your work isn't sterile. If that's the case, it's essential to reflect on and reevaluate your process. What might happen, though, is that if you use very old agar, the mycelium may have already lost its vigor. This could lead to a much longer colonization time for the jar, and the fruiting process might take even longer, potentially resulting in only small fruiting bodies. At some point, maintaining good genetics will become crucial. Since I never cultivated for that long, I didn’t delve into that issue. In any case, you can always buy new mycelium from a professional grower and restart from there. There are many possibilities, as usual. I guess the scale of the growing operation will significantly influence how you organize the production process. However, even with just one or two Martha tents or grow tents running, the bottleneck will likely always be the sterilization of the necessary bulk material inputs. That’s just what came to mind regarding your comment.

Hey Miguel, Great to see that you are discovering my videos! 1. Agar is also expensive in Germany. You can buy it in bulk online. I also thought about switching from agar to cornstarch, but I never tried it out. I'm sure there are cheaper options out there. If you find one, please share :) 2. Of course, it would be best to have many scalpels and disinfect them with a pressure cooker. However, then you'd need to store them properly. I chose a simpler approach. As you noticed, I switched to cleaning them after use and storing them in ethanol. Others use induction heating for sterilization, which also works great and can be built with DIY techniques. 3. For the agar plates, I use a very old recipe I found and tested in 2013 or so. This was before TH-cam exploded and only small forums discussed stuff like this. It worked fine, so I just stuck with it. I'm sure there's still some "bro science" in the recipe. 4. Of course, it is always good to have clean surfaces. If I didn't mention it in the video, I always clean all surfaces with ethanol. 5. When I put agar in the fridge, I place it inside the freezer. When I store mycelium on agar in the fridge, I put it inside a zip bag and place it somewhere my wife doesn't mind. Of course, it would be best to have a special fridge for growing purposes. Since I only grow for fun, I stuck to simple techniques that proved reliable and moved on to the next step on the cultivation ladder.

Hey Miguel! Thank you for your kind words. I'm really glad to hear that you find value in my content! Regarding your question: I use the cheapest PLA for all my printing needs, which I usually purchase on eBay for about €10 per kilo. I typically use white for prototypes because it doesn’t absorb light, making the contours more visible and giving the model an aesthetic appeal. Additionally, with white, it’s immediately clear which parts are printed and which are not. For practical applications, I prefer black PLA. It stays cleaner for longer, especially in humid environments where white can easily show signs of insufficient air circulation. Black also blocks more light, so I use it for the humidifiers in my plant grow tents. Both colors have proven to be very durable and resilient against water in my experience. However, they don’t handle shock loads well, but since I use them primarily for structural components, this isn’t usually a concern for me. Happy Growing!

@TheSkaaptjop - Hey, I am not sure if I understood you correctly. 1. You want to create a space for the colonization of bags. 2. You want to build a fruiting grow tent. And in both instances, you want to add a heating system. If this was your topic, then these are my thoughts: a) Insulation is key. Heating is expensive, and most of the heat is lost through the ground. So I would apply a very thick layer of insulation there. This can be done cheaply. b) Insulation would also help prevent water drippings on the ground in the fruiting tent due to potentially reaching the dew point temperature locally. c) Since I did not find any good 12V heating systems that are waterproof, my approach changed, and I would use reptile heating systems. They are mainly waterproof, and often you can set the temperature. I would also apply a fan to ensure proper air circulation inside the tent. I would set it on low speed for the bag tent and on higher speed for the fruiting tent. The fruiting tent will benefit from good air circulation anyway. d) Since one would lose energy through the exhaust, I would try to approach the minimum exhaust volume through trial and error for my cultivated fungi to optimize their needs and energy consumption. e) This is a product that I used and had no problem with: 5-35W Hydroponic Heating Pad Germination Warm Mat Seedling Pet Table Heater Temperature Adjustable Waterproof Safe Controller [Link](www.aliexpress.com/item/1005004813316857.html) f) For your fruiting tent, depending on your humidity levels, it might also be very easy to use a traditional lamp. Often mushrooms profit from increased lighting, and the waste heat will provide the needed heat. I hope my thoughts help you further on your growing journey!

@@diy-mushroom-tek Hi there. Perfect answer and thank you so much. I really appreciate the guidance.

I use this humidifier: www.printables.com/de/model/884112-41-grow-tent-humidifier

@@diy-mushroom-tek I appreciate you very much

Could you please elaborate? Why do find that eBay is way cheaper? I mainly used AliExpress links because they deliver globally. In my experience, the shops there that deliver from China are also cheaper than the shops that deliver, for example, from Europe to Germany. It takes, of course, a few more weeks until you get your product. Anyway, I do not promote any shop. I also gain nothing from the links I provide. I did it just as a service to enable everyone to find the product quickly online. Whether one uses Amazon, eBay, AliExpress, etc. is up to them.

Hey Jean, I'm glad you asked. I added a floating switch to the humidifier. The humidifier consists of a small water reservoir inside the tent, just big enough for the floating switch and the cotton sticks of the two sonic discs. When the humidifier has evaporated enough water for the water level to drop, a small 12V pump will start to pump water into the reservoir. You can see a cross-section of the design on Thingiverse where I uploaded it: www.thingiverse.com/thing:6397535 I guess that will answer your question. This is my Humidifier 2.0. Since there's only a little bit of water inside the tent and it's well encapsulated, it will stay good for a very long time. If you print it in black PLA, it's even better protected against UV light from a lamp inside a grow tent for plants. That was the main reason why I changed the design. For plant tents, it's very important to have the big water reservoir outside in the dark. As for water, I use Brita-filtered rainwater since it is naturally calcium-free, and this reduces the need for maintenance drastically. I am very happy with this system. It requires no maintenance for a very long time. And since I used two sonic discs, even if one fails, the tent environment will always be ensured by the second one. What are you planning to grow? Feel free to share your plans! Happy growing!

Hey Floooo! Thank you so much for your support! Yeah, I really needed it since I tend to neglect my plants from time to time.

Hey, I think I will be able to upload it within the next week. It's a tutorial that will also enable absolute electronic beginners to build the auto watering system. How is your growing going? Many greetings from Germany!

@@diy-mushroom-tek Thank you 🫶

@@AravindKumar-hq6rm Hey, got some extra spare time, so here is the video: th-cam.com/video/LLi01oysiIk/w-d-xo.html I hope it proves to be helpfull for the growing community!

@@diy-mushroom-tek Thank you so much 🙌

Hey! No, you are right! One can just perfectly grow them in a bag, without anything else. I do show this technique in my bag tutorial "Mastering Sawdust Spawn": th-cam.com/video/i3P5n5451LU/w-d-xo.htmlsi=H354EtUSruT4lf4d This is a short video abaout bag technique harvesting: th-cam.com/video/nQYWgUg1ML0/w-d-xo.htmlsi=UszwYr6CNht8ylo4 Do you have any particular video in mind? Please share with us your insights, I guess that many people will be happy starting with the simple bag technique!

Just build it! It is quite easy. If you run into problems, feel free to ask!

Agreed! excellent build quality !!!

Hey, thank you for your thoughtful comment. Of course, one could optimize this design further. Mine is a remake of a solution that utilizes a metal plate to attach the extruder to the hot end. I just thought it would be much easier to realize with a 3D printed part. Both solutions have the trade-off that the build volume shrinks, and with your proposed solution, that could be further optimized! But I do not know if anyone will further optimize it since the printer is quite old, and for most people, it works fine as it is! Anyway, you are right, and I should have put some more time into the design in order to come up with an improved solution over the metal one!

If you crimp connectors to the ends of the wire you can revert it back to the longer tube if you wanted to.

Hey Florian, good to know that you use distilled water. Then calcification will not be the problem. I, for myself, had never any issues with the electronic parts. I only had once one controller that did not mist as strongly as the other boards. I just did not use it. But beside this topic that came directly up during testing of the purchased goods, my fogger runs since I started the project. Never had one that failed. Anyway, since they are very cheap, I always have some replacements laying around. So I am wondering what happened to your devices. To my mind, these things come up: 1. The cotton sticks get old. I do not know if they get old with distilled water, but even if they do not clog up, maybe they do? 2. The need always enough water for the sonic disc to work. Did you apply enough pressure with the screw so that there is enough contact between the sonic disc and the cotton stick? They will drastically increase their output and only make a small vibrating noise when they run out of water to mistify. Please check this issue and also make sure the water level is high enough. 3. I use a step-down element for my controller. This is only able to handle 3A. I think the 3 amps are needed, thus one device can take up to 1.5 amps. As the electric power is calculated this way: P = U x I, this means you need P = 5 V x 3 A, about 15 watts for two working sonic discs. (General information: As they do not work all the time, the overall cost is very cheap.) 4. Use a new set of sonic disc and controlling board. The swapping is quite fast, as you know. If the problem persists, then I would guess they do not get enough power. These were the thoughts that just came up. I hope everything works out!

Problem solved: i had bacterias in my water, so the water became à little bit sticky and blocked the device. I washed all the parts and boild the Cotton sticks two times, now all runs perfectly well! 😊

Hey, if that's the only hurdle, count your blessings! 3D printers are incredibly accessible these days and quite affordable too. If you're keen on bringing my designs to life, even an old or used machine from platforms like eBay or Craigslist would do the trick. You might even find someone willing to let you use their machine! Once you get your hands on one, the possibilities are endless. Happy growing and tinkering!