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Step into the world of indoor cannabis cultivation with the Grodan GroShow Podcast, your reliable source of rootzone management. Join host Riley Jones as he explores cutting-edge stone wool growing techniques and industry insights with experts and growing legends from across the globe. Whether you're a seasoned grower or just starting out, the GroShow is your go-to podcast for growing quality cannabis at any scale, batch after batch.
28 Episodes
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Send a text Max Jones of the University of Guelph joins Grodan Crop Specialist Chad Rigby and host Riley Jones for a focused conversation on how cannabis research translates into commercial cultivation. Drawing from his work in tissue culture, clean plant systems, and advanced breeding, Max explains how genetic preservation, disease management, and plant rejuvenation move from lab theory into real-world production. The discussion connects research concepts like tissue culture, polyploid breed...
Send us a text Ryan Lee of Chimera Genetics joins Grodan Crop Specialist Chad Rigby and host Riley Jones for a deep conversation on how cannabis genetics and cultivation strategy come together in controlled environments. Drawing from decades of breeding and research experience, Ryan breaks down how genetic potential is established, classified, and expressed, and where growers have the most influence once plants enter production. The discussion connects genetic selection to real-world cultivat...
Send us a text In this special episode, we unpack one of Grodan’s most significant cannabis research milestones to date. Crop Specialist Chad Rigby returns to break down the findings behind our new whitepaper, Impressively high yields are reality for cannabis growers, highlighting how precision irrigation, EC management, and autoflower F1 hybrid seeds contributed to annual dry flower yields averaging 9.7 kg/m² — with multiple treatment groups surpassing 10 kg/m². Together, Chad and host Riley...
Send us a text In Part 2 of our “Start Clean, Stay Clean” series, we shift the focus from the root zone to the canopy — and why what happens above ground often reflects the strength of your entire cultivation system. Zac Ricciardi (BioSafe Systems) returns alongside Grodan Crop Specialist Jon Jirikovec to share real-world strategies for dialing in foliar programs, strengthening IPM, and managing environmental conditions to support healthier, more consistent plants. From spray timing and produ...
Send us a text It’s a mindset that guides this deep dive into the root zone on Episode 24 of the GroShow Podcast, as Zac Ricciardi (BioSafe Systems) and Jon Jirikovec (Grodan) join host Riley Jones to explore the underlying root zone conditions that can affect crop uniformity — and how dialing them in unlocks better data, healthier crops, and precision growing at scale. From algae control and water testing to microbial timing and fertigation compatibility, this episode offers practical insigh...
Send a text In Episode 23 of the GroShow Podcast, host Riley Jones is joined by Kaz Makarewicz (Product Owner, e-Gro) and Chad Rigby (Crop Specialist) to explore how growers are using Grodan’s all-in-one root zone monitoring system — the GroSens Suite — to improve irrigation strategy and crop steering. From setting up sensors and configuring rooms in e-Gro to interpreting drybacks, EC trends, and real-time alerts, this episode walks through the full system and how it helps growers stay consis...
Send a text In Episode 22 of the GroShow Podcast, host Riley Jones heads to the East Coast to sit down with Zach Wise and Tim Larson from Happy Valley — a vertically integrated cannabis company in Massachusetts known for precision, consistency, and award-winning flower. Together, they explore how Happy Valley built a high-performance cultivation system from the ground up. From selecting standout genetics and pheno-hunting in-house to dialing-in environmental control, irrigation, and facility ...
Send a text In Episode 21 of the GroShow Podcast, host Riley Jones is joined by Grodan Crop Specialist Jon Jirikovec and Anders Peterson and Michael Williamson from PIPP Horticulture for part two of a special mini-series with the Cultivation Elevated podcast. If you caught part one on Cultivation Elevated, you’ll recognize today’s guests — and the ongoing collaboration between Grodan and PIPP Horticulture behind this mini-series. In this episode, we take a deeper dive into vertical cultivatio...
Send a text In Episode 20 of the GroShow Podcast, host Riley Jones welcomes Grodan Crop Specialist Jon Jirikovec for a deep dive into one of the most important (and often underestimated) parts of a successful grow: initial substrate saturation and rooting strategy. From troubleshooting dry-back issues to dialing in daily irrigations, Jon shares the foundational practices that help cultivators get the most from their Grodan blocks and slabs. What if inconsistent rooting or poor substrate...
Send a text In episode 19 of the GroShow Podcast, host Riley Jones sits down with Jared Toogood of Plant Nerd to break down the techniques helping growers fine-tune their operations. From advanced lighting strategies to precision irrigation and pheno-hunting for elite genetics, this episode is packed with actionable insights. Jared shares how real-time data collection and a single-stage nutrient approach help streamline workflows and improve plant health. We also discuss how undercanopy light...
Send a text Chris Carlino and Scott Judd from Blue Goose Flower share how they’ve perfected indoor cannabis cultivation in a competitive market on this episode of the Grodan GroShow Podcast. Based in Sacramento, California, Blue Goose Flower has overcome challenges to achieve success by transitioning to Grodan stone wool, leveraging the GroSen Suite, and addressing biofilm irrigation issues while optimizing sustainable practices. Discover how adaptability, sustainability, and top-tier product...
Send a text In episode 17 of the GroShow Podcast, host Riley Jones is joined by Frank Janssen and Chad Rigby of Grodan, F1 SeedTech's Maikel de Bresser, and Simon Charette from CRIC Labs to unpack the game-changing results of ongoing cannabis trials at the CRIC Research Center in Montreal, Canada. What if your cannabis cultivation could be more efficient and profitable with just a few strategic changes? In this episode, we reveal how Grodan’s stone wool, paired with F1 hybrid seeds, has prove...
Send a text In episode 16 of the GroShow Podcast, host Riley Jones is joined by Grodan Crop Specialist Jon Jirikovec, along with Courtney Bridges, Travis Dahm, and Gary Holland from Endless Biotech. During the show, we learn about Endless Biotech's experience using Grodan stone wool and why they prefer it over other growing mediums. The discussion covers their research and development (R&D), advanced crop steering techniques, and their commitment to consistency and quality in cannabis pro...
Send a text In episode 15 of the GroShow Podcast, host Riley Jones sits down with Taylor Kirk, a Horticulture Service Specialist at Fluence, to discuss the evolution of horticultural lighting, making the switch from HPS to LED, the most common light levels, the effects of far-red light and more. Discover the vital role of light spectrums, the pitfalls of photobleaching, and the potencial benefits of Intercanopy lighting as Taylor draws from his extensive experience, tracing his journey from T...
Send a text In episode 14 of the GroShow Podcast, host Riley Jones is joined once again by Shaye Donald, Account Manager at Grodan, as well as first-time guest Taylor King, Cultivation Manager at Victoria Cannabis Co., a beautiful micro-cultivation located in the heart of Victoria, British Columbia. During the show, we talk about art and science of indoor cannabis cultivation, the evolution of the industry, and how genetic selection and innovative growing practices can revolutionize cultivati...
Send a text In episode 13 of the Grodan GroShow Podcast, host Riley Jones sits down with Shaye Donald, Account Manager at Grodan, and industry expert Kevin Cullum, Commercial Manager at Koppert, to discuss what an Integrated Pest Management (IPM) plan is and how it can revolutionize facility. Join us as Kevin guides us through the essential steps of implementing effective IPM plans, starting with the critical importance of accurate pest identification. We'll also break down common pest chall...
Send a text Join host Riley Jones, along with special guests Cole Williams, Master Grower at Medical Saints, and Chad Rigby, Crop Specialist at Grodan, as they explore the future of indoor cannabis cultivation. Their combined expertise paints a vivid picture of the progression from "bro science" to precision growing powered by data and technology. From practical tips on navigating the complexities of controlled-environment agriculture to fascinating insights into the interplay between plant s...
Send a text Are you looking to master propagation and prevent common problems cannabis growers often experience during this pivotal phase of growth? Then tune in to episode 11 of the GroShow Podcast, featuring host Riley Jones and guest Chad Rigby, Crop Specialist at Grodan. On the show, we discuss the importance of the all-new Grow Guide and break down the release of two new propagation products: the A-OK Starter Plugs, which come in a prefilled tray for fast and easy use and are pre-cut loo...
Send a text By controlling how and when a substrate opens up irrigation channels, cultivators can become more efficient in their craft, leading to more significant profits and healthier crops for future generations. In episode 10 of the GroShow Podcast, host Riley Jones and Crop Consultant Ben Feldman explain why water channelling is a natural and necessary phenomenon, the problems with opening up irrigation pathways before the substrate is properly hydrated, and the importance of creating an...
Send a text Ready to unlock the secrets of maximizing plant health and yield? If so, we have the perfect episode of The GroShow Podcast for you. In our latest installment, "Harnessing the Power of Microbes to Maximize Plant Productivity," we delve into the world of cannabis cultivation and explore new ways to boost plant performance and maximize crops with some of the industry's leading experts. Join Grodan Crop Consultant Chad Rigby and special guests Jeff Hayward and Colin Bell of MIIM Hort...
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