
The Grodan GroShow
Grodan101
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.
All episodes
Best episodes
Seasons
Top 10 The Grodan GroShow Episodes
Goodpods has curated a list of the 10 best The Grodan GroShow episodes, ranked by the number of listens and likes each episode have garnered from our listeners. If you are listening to The Grodan GroShow for the first time, there's no better place to start than with one of these standout episodes. If you are a fan of the show, vote for your favorite The Grodan GroShow episode by adding your comments to the episode page.

Future of Cannabis Cultivation: Grodan & F1 SeedTech Share Groundbreaking Research Results | Ep 17
The Grodan GroShow
12/11/24 • 55 min
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 proven to cut costs, enhance uniformity, and boost yields. Whether you're a seasoned grower or just starting out, these insights could revolutionize your cultivation practices.
We dive deep into the transformative power of substrate selection and crop steering, exploring how rapid plant growth impacts irrigation and fertilization strategies. Learn why stone wool is becoming the substrate of choice over coco, offering better water-use efficiency and reducing labor costs. Plus, hear about the benefits and predictability of F1 seeds and why early transplanting is key for maximizing yield in autoflowering varieties.
Looking ahead, we discuss exciting upcoming trials planned for 2025 and the innovations on the horizon in cannabis cultivation. The conversation also highlights the significant advantages of reducing water and fertilizer use, and how integrating advanced technology with F1 hybrid seeds could set new standards for crop yield and quality.
Tune in for valuable insights, personal stories from the industry, and a look at how passion, innovation, and cutting-edge research are pushing the boundaries of cannabis cultivation. Listen now!

Exploring Innovative R&D and Crop Steering Techniques with Endless Biotech | Ep 16
The Grodan GroShow
10/18/24 • 70 min
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 production.
Based in Tulsa, Oklahoma, Endless Biotech has dedicated years to developing a robust methodology that enhances plant health while ensuring optimal yield and quality. With a strong focus on community engagement, they believe in sharing knowledge and resources to empower growers in an increasingly competitive market.
A key aspect discussed in the episode is the emphasis on empirical data collection. Courtney, a vital member of the Endless Biotech team, shares her insights on how data-driven decisions can lead to better crop outcomes. By employing advanced analytics, they can fine-tune growing conditions and improve plant resilience, ensuring consistent results across various markets.
Tune in to explore the innovative techniques shaping the future of cannabis cultivation with Grodan and Endless Biotech. Listen now!

Craft Cannabis at Scale: Data-Driven Methods, Ideal Growing Media, and Knowledge Sharing with Medical Saints | Ep 12
The Grodan GroShow
05/30/24 • 50 min
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 science and tech innovation, this episode is a treasure trove for anyone passionate about modern cannabis cultivation.
Gain a deeper understanding of cannabis cultivation with discussions on the pivotal role of education in the cannabis sector and the significance of keeping up with consumer preferences. Williams and Rigby provide a unique perspective on the meticulous processes that can make or break success in cultivation, such as substrate selection, accurate rootzone sensors, and the intricacies of breeding new cultivars.
Discover the life-changing potential of embracing new cultivation methods, the thrill of developing unique strains, and the collective effort needed to scale up production while preserving the essence of craft cannabis.
Finally, stay tuned for a testimonial from Liam Spenser, Technical Advisor at Scynce LED.

From Retail to Large-Scale Distributors: Celebrating 40 Years of Excellence with Sparetime Supply | Ep 8
The Grodan GroShow
07/26/23 • 67 min
Have you ever wondered how industry leaders navigate the often unpredictable and ever-changing landscape of the nursery and hydroponics industry?
In episode 8 of the GroShow Podcast, host Riley Jones chats with Sparetime Supply President/CEO Andrew Hosford and Regional Sales Manager Travis Mitzel. During the show, we cover everything from the origin of the "Sparetime" name and the celebration of their 40th anniversary to the challenges facing many nurseries and large-scale distributors nowadays and the importance of staying ahead of the curve.
Later, we discussed the growing popularity of the Improved Gro-Slabs with pre-cut holes, the added benefit of Grodan’s green knowledge and the release of Pargro, an easy-to-use stone wool growing media ideal for boutique or craft growers looking to transition from coco or soil.
And last but not least, we touched on Sparetime Supply’s upcoming Summer Expo, which takes place on August 10-11, 2023, at Recreation Grove in Willits, CA. For more information and to register for the event, visit www.sparetimesupply.com/summer-expo.

Cultivating Success: Exploring New Strains and Grodan’s Green Knowledge with Ritual Green I Ep 7
The Grodan GroShow
06/09/23 • 31 min
In episode 7, we sit down with Wesley Allen, Cultivation Manager at Ritual Green, a state-of-the-art facility in beautiful Windsor, Nova Scotia. During the show, Wes and the guys discuss everything from new strains and the joy of pheno-hunting to the benefits of Grodan stone wool and why working with expert crop consultants, like the knowledgeable and helpful Chad, has been a game changer for Ritual Green.
One of the main topics of discussion during the episode was the challenges facing the Canadian cannabis industry and what growers can do to survive in such a highly competitive market. Wes shares his insights on the importance of staying ahead of the curve and why maintaining the cleanliness and consistency of your product is the goal.
Of course, no conversation about cannabis cultivation would be complete without talking about substrates! Wes explains why Grodan stone wool is an ideal choice for growing cannabis and what substrate configuration they are running at their facility.
And, of course, we can't forget to mention the exciting things in store for Ritual Green! Wes gives us a sneak peek at upcoming strains, pheno-hunts, and more.
Tune in to learn from one of the industry's best and brightest on the latest episode of the GroShow, powered by Grodan.

The Importance of Understanding and Controlling Water Channelling with Crop Consultant, Ben Feldman | Ep 10
The Grodan GroShow
09/20/23 • 48 min
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 economical and sustainable irrigation strategy.
But that's not all. During the show, the guys answer a handful of questions submitted by our listeners, break down the key to a successful harvest, and Ben details his journey from plant enthusiast to Crop Consultant.

The Foundation of a Healthy Crop: Getting Substrate Saturation and Rooting-In Right with Jon Jirikovec | Ep 20
The Grodan GroShow
04/02/25 • 54 min
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 hydration are limiting your yields without you even realizing it? Jon breaks down proper saturation techniques that create uniform water distribution, why early irrigation decisions shape root structure, and how to avoid common mistakes like using low EC or skipping QC checks on block weights.
We also explore how to maintain capillarity during the rooting-in phase, why sensors should be placed strategically, and how overly wet or dry conditions can throw off nutrient balance in the root zone. Jon outlines a multiphase irrigation approach—refreshment, drain, and dry-back—that sets growers up for long-term consistency, crop steering, and improved plant health.
If you're building out a facility or looking to refine your early-stage irrigation protocols, this episode offers clear, actionable guidance grounded in real-world experience—and shows why so many top growers trust Grodan stone wool to set the foundation for success.

Technical Crop Advice with Chad Rigby | Ep 1
The Grodan GroShow
09/02/22 • 60 min
In the first episode of the Grodan GroShow, co-host Dave and Riley sit down with guest Chad Rigby, Technical Crop Advisor at Grodan, to discuss best practices and common misconceptions when growing cannabis in Grodan stone wool. From choosing the ideal gro-block for your facility to the importance of keeping an irrigation schedule, this episode covers it all. Plus, Chad shares his thoughts on current industry trends he likes (and doesn’t) and what it was like to speak to the students of the Commerical Cannabis Production program at Niagara College and visit their legendary 'Cannabunker.'

Navigating the Challenges of Cannabis Cultivation in Canada and Why Consistency Is Key, with Smoker Farms I Ep 6
The Grodan GroShow
06/08/23 • 47 min
In episode six of the Grodan GroShow Podcast, host Riley Jones and Crop Consultant Chad Rigby are joined by special guests, the passionate Jeff and Sheri Aubin, founders of Smoker Farms, a beautiful micro-cultivation located in Kelowna, BC.
Throughout the show, Jeff and Sheri provide valuable insight into the ups and downs of cannabis cultivation in Canada and share their thoughts on everything from new technology to best growing practices.
We also delve into the role and importance social media plays in today's day and age, why they prefer Grodan stone wool over other growing mediums and what the future holds for this fantastic duo. With their innovation and dedication to the craft, we have no doubt Smoker Farms will continue to make waves in the industry.

Maximizing Yields with Advanced LED Technology with Taylor Kirk of Fluence | Ep 15
The Grodan GroShow
09/27/24 • 73 min
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 Texas Original to Fluence.
Learn how Fluence's acquisition by Signify has boosted its global projects and operational efficiencies. We delve into the valuable lessons learned from traditional crop producers and the innovative strategies that can reduce labor and increase efficiency in cannabis cultivation.
Finally, the guys reminisce about their favorite cannabis strains, breeding challenges, and discuss upcoming industry events.
Don't miss this comprehensive guide to maximizing yields with Grodan stone wool and advanced LED lighting with Fluence's Taylor Kirk. Listen to episosde 15 now.
Show more best episodes

Show more best episodes
FAQ
How many episodes does The Grodan GroShow have?
The Grodan GroShow currently has 20 episodes available.
What topics does The Grodan GroShow cover?
The podcast is about Cannabis, Podcasts, Education, Business and Sustainability.
What is the most popular episode on The Grodan GroShow?
The episode title 'Maximizing Yields with Advanced LED Technology with Taylor Kirk of Fluence | Ep 15' is the most popular.
What is the average episode length on The Grodan GroShow?
The average episode length on The Grodan GroShow is 57 minutes.
How often are episodes of The Grodan GroShow released?
Episodes of The Grodan GroShow are typically released every 33 days, 11 hours.
When was the first episode of The Grodan GroShow?
The first episode of The Grodan GroShow was released on Sep 2, 2022.
Show more FAQ

Show more FAQ