Start Clean, Stay Clean: Root Zone Management, Microbial Balance & Input Timing with BioSafe Systems | Ep 24

The Grodan GroShow

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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 insight into what it really means to “start clean, stay clean” — and how Grodan stone wool enables growers to turn that clean foundation into more consistent crops, better irrigation control, and precision cultivation at scale.

Curious how to put these practices into action? BioSafe also offers a quick-reference guide on algae prevention and root zone protocols in stone wool — a helpful companion to what you’ll hear in the episode.

The conversation also explores how BioSafe inputs like Zerotol can be integrated without disrupting beneficial microbes or nutrient delivery. With real-world examples, clear timing strategies, and advice on what to track before and after system cleanup, it’s a must-listen for any grower looking to level up their root zone game.

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1. Episode Introduction (00:00:00)

2. Meeting Zach Riccardi (00:03:45)

3. Defining a Clean Root Zone (00:09:00)

4. Starting Clean and Water Treatment (00:19:15)

5. Biosecurity and Proactive Planning (00:28:05)

6. ROI of Root Zone Cleanliness (00:39:45)

7. Understanding Algae Control (00:51:20)

8. Practical Applications and Final Advice (00:55:48)