Hydroponics Daily

Hydroponics Daily

Download on the App Store

Hydroponics Daily episodes

  • The science behind pH perfect hydroponic solutions

    Dr. Russell Sharp explains how to keep hydroponic solutions pH-stable, the role of balanced nitrates and ammonium, and how chemical buffers prevent pH swings.

    The episode also covers other pH drivers, including microbial activity, sugary additives, water hardness and plant exudates, and offers practical tips for consistent fertigation management.

    https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

    Howard M. Resh – CuisinArt Hydroponic Farm

    Neil Willey – University of the West of England, Bristol

    Chungui Lu – Anglia Ruskin University

    Tony Ryan – University of Sheffield

    Eleni Stavrinidou – Linköping University

    Desire Djidonou – Texas A&M University–Commerce

    Genhua Niu – Texas A&M AgriLife Research

    Shuyang Zhen – Texas A&M AgriLife Research

    Omar Almaghrabi – Plant Factory Cornwall

    Paul Myers – Farm Urban

    Jens Thomas – Farm Urban

    Irving Fain – Bowery Farming

    Stuart Oda – Alesca Life

    Kimbal Musk – Square Roots

    Tobias Peggs – Square Roots

    Sriram Gopal – Future Farms

    Tristan Fischer – Fischer Farms

    Gary Grinspan – Future Crops

    Adam Dixon – Phytoponics

    Louis Belloin – Techponics

    Vivek Raj – Panama Group

    Kevin Jakiela – Just Vertical

    Robert Carlson – Growspace Farm

    Gary Lazarski – MightyVine

    Geoffrey Smith – Growponics

    Ryan Chappell – Alien Hydroponics

    Vijwal Vas – Green Monkey Farms

    Calvin Aranha – Krop AI

    Dara Govand Sherwani – Cihan University – Erbil

    Ted Caplow – New York Sun Works

    Alex Fisher – Saturn Bioponics

    David Rosenberg – AeroFarms

    Arama Kukutai – Plenty

    Viraj Puri – Gotham Greens

    Eric Haley – Gotham Greens

    Kate Hofman – GrowUp Farms

    Mike Hedges – GrowUp Farms

    Erez Galonska – Infarm

    Osnat Michaeli – Infarm

    Guy Galonska – Infarm

    Brad McNamara – Freight Farms

    Jon Friedman – Freight Farms

    Taisiya Jacobson – Pure Greens

    Robert Colangelo – Green Sense Farms

    Paul Sellew – Little Leaf Farms

    Neil Mattson – Cornell University Controlled Environment Agriculture

    A.J. Both – Rutgers University

    Murat Kacira – University of Arizona Controlled Environment Agriculture Center

    Chieri Kubota – The Ohio State University Controlled Environment Agriculture

    Mark Lefsrud – McGill University

    Erik Runkle – Michigan State University

    Roberto Lopez – Michigan State University

    Ricardo Hernández – North Carolina State University

    Gene Giacomelli – University of Arizona Controlled Environment Agriculture Center

    Lingying Zhao – The Ohio State University

    Noah Langenfeld – Utah State University Crop Physiology Laboratory

    Jacob Nickles – University of Sheffield

    Dylan Gwynn-Jones – Aberystwyth University

    John Doonan – National Plant Phenomics Centre

    Mark Kroggel – The Ohio State University

    Satoru Tsukagoshi – Chiba University

    Toyoki Kozai – Japan Plant Factory Association

    Henry Gordon-Smith – Agritecture

    Rob Laing – Farm.One

    Steven Dring – Growing Underground

    Richard Ballard – Growing Underground

    Michael DeGiglio – Village Farms International

    Casey Houweling – Houweling’s Tomatoes

    Eddy Badrina – Eden Green Technology

    Eric Lang – ZipGrow

    Eric Bergeron – ZipGrow

    Alex Tyink – Fork Farms

    Nona Yehia – Vertical Harvest

    Caroline Croft Estay – Vertical Harvest

    Penny McBride – Vertical Harvest

    Jonathan Webb – AppHarvest

    Mike Zelkind – 80 Acres Farms

    Tisha Livingston – 80 Acres Farms

    David Farquhar – Intelligent Growth Solutions

    Bruce Bugbee – Utah State University Crop Physiology Lab

    Nate Storey – Plenty

    Caleb Harper – MIT Media Lab Open Agriculture Initiative

    Eri Hayashi – Japan Plant Factory Association

    Sonia Lo – Crop One Holdings

    Paul Lightfoot – BrightFarms

    Leo F.M. Marcelis – Wageningen University & Research

    Eiji Goto – Chiba University

    Na Lu – Chiba University

    Michiko Takagaki – Chiba University

    Shigeharu Shimamura – Mirai Co.

    Don Taylor – AmplifiedAg

    Ellen Van de Velde – Ghent University

    Andrew Hare – Vertical Roots

    Matt Daniels – Vertical Roots

    Maarten Vandecruys – Urban Crop Solutions

    Tom Debusschere – Urban Crop Solutions

    Milan Kluko – Green Spirit Farms

    Bill Toler – Hydrofarm

    John Lindeman – Hydrofarm

    Jean-Pierre Coene – Urban Crop Solutions

    9 min
  • Light vs Heavy Hydroponics: Why System Weight Matters

    Dr. Russell Sharp explores how the weight of hydroponic systems affects portability, stability, thermal buffering and practical uses—from classrooms and balconies to cruise ships and space missions.

     

    He compares lightweight NFT setups (easy to move, low structural load) with heavy DWC reservoirs (thermal stability, theft resistance, backup water) and offers examples to help growers decide which approach fits their situation.

    https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

    • Carnival Corporation & plc

    • Royal Caribbean Group

    • Norwegian Cruise Line Holdings (NCLH)

    • MSC Group (MSC Cruises)

    • Disney Parks, Experiences and Products (Disney Cruise Line)

    • Genting Hong Kong (defunct but previously major)

    • Virgin Voyages (Virgin Group / Bain Capital)

    • TUI Group

    • Fred. Olsen Cruise Lines

    • Saga Cruises

    • Viking Cruises

    • Azamara (Sycamore Partners)

    • Celestyal Cruises

    • P&O Ferries / P&O Cruises Australia (various ownership historically)

    • Ritz-Carlton Yacht Collection (Marriott International)

    • Compagnie Française de Croisières (CFC)

    • Marella Cruises (TUI Group)

    • Star Clippers

    • Ponant (Artémis Group)

    • Silversea Cruises (owned by Royal Caribbean Group)

    • Seabourn (Carnival Corporation)

    • Regent Seven Seas Cruises (NCLH)

    • Oceania Cruises (NCLH)

      • Norwegian Cruise Line

      • Oceania Cruises

        • Royal Caribbean International

        • Celebrity Cruises

        • Silversea Cruises

        • TUI Cruises (joint venture)

        • Hapag-Lloyd Cruises (via TUI JV)Regent Seven Seas Cruises

          Carnival Corporation & plc
          • Carnival Cruise Line

          • Princess Cruises

          • Holland America Line

          • Seabourn

          • Cunard Line

          • Costa Cruises

          • AIDA Cruises

          • P&O Cruises (UK)

          • P&O Cruises Australia

            Royal Caribbean Group
            • MSC Cruises

            • Explora Journeys

              • Disney Cruise Line

              • Viking Cruises

              • Virgin Voyages

              • Azamara

              • Fred. Olsen Cruise Lines

              • Saga Cruises

              • Marella Cruises

              • Celestyal Cruises

              • Ponant

              • Ritz-Carlton Yacht Collection

              • Star Clippers

              • Compagnie Française de Croisières (CFC

                8 min
              • How McDonald's and Fast Food Drive Hydroponics

                Dr. Russell Sharp of Hydroponics Daily explores how fast food chains, from McDonald’s to Subway and Taco Bell, consume enormous volumes of fresh produce and the opportunities this creates for hydroponic growers.

                The episode covers surprising consumption figures, examples of high-demand chains, tips on targeting alternative buyers beyond supermarkets, and a note on Eutrema Ltd’s expansion to sell fertilisers directly in Ireland.

                https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

                • McDonald’s – Richard McDonald, Maurice McDonald

                • Burger King – Keith J. Kramer, Matthew Burns

                • KFC – Harland Colonel Sanders

                • Subway – Fred DeLuca, Peter Buck

                • Domino’s Pizza – Tom Monaghan, James Monaghan

                • Pizza Hut – Dan Carney, Frank Carney

                • Taco Bell – Glen Bell

                • Wendy’s – Dave Thomas

                • Starbucks – Jerry Baldwin, Zev Siegl, Gordon Bowker

                • Dunkin’ – William Rosenberg

                • Popeyes – Al Copeland

                • Chick-fil-A – S. Truett Cathy

                • Chipotle Mexican Grill – Steve Ells

                • Five Guys – Jerry Murrell, Janie Murrell

                • Dairy Queen – John Fremont McCullough, Alex McCullough, Sherb Noble

                • Jack in the Box – Robert O. Peterson

                • Carl’s Jr. / Hardee’s – Carl Karcher (Carl’s Jr.), Wilber Hardee (Hardee’s)

                • Little Caesars – Mike Ilitch, Marian Ilitch

                • Papa John’s – John Schnatter

                • Tim Hortons – Tim Horton, Ron Joyce

                • A&W – Roy W. Allen, Frank Wright

                • Jimmy John’s – Jimmy John Liautaud

                • Panera Bread – Ronald M. Shaich, Louis Kane, Ken Rosenthal

                • Sonic Drive-In – Troy N. Smith Sr.

                • In-N-Out Burger – Harry Snyder, Esther Snyder

                • Culver’s – George Culver, Ruth Culver, Craig Culver

                • Wingstop – Antonio Swad, Bernadette Fiaschetti

                • Shake Shack – Danny Meyer

                • Nando’s – Fernando Duarte, Robert Brozin

                • Pret A Manger – Jeffrey Hyman; Julian Metcalfe, Sinclair Beecham

                • Greggs – John Gregg

                • Wagamama – Alan Yau

                • Costa Coffee – Bruno Costa, Sergio Costa

                • Hungry Jack’s – Jack Cowin

                • Red Rooster – Peter Kailis, Theo Kailis

                • Oporto – António (Antonio) Cerqueira

                • Grill’d – Simon Crowe

                • Guzman y Gomez – Steven Marks, Robert Hazan

                • Zambrero – Sam Prince

                • Lord of the Fries – Mark Koronczyk, Amanda Leigh Walker

                • Jollibee – Tony Tan Caktiong

                • Leon – John Vincent, Henry Dimbleby, Allegra McEvedy

                • Vapiano – Kent Hahne, Gregor Gerlach, Klaus Rader, Mark Korzilius

                • Telepizza – Leopoldo Fernández Pujals

                • Nordsee – Adolf Vinnen

                • MOS Burger – Satoshi Sakurada

                • Boost Juice – Janine Allis

                • Muffin Break – Bob Nelson

                • Pie Face – Wayne Homschek, Betty Fong

                • Hell Pizza – Warren Powell, Callum Davies, Stuart McMullin

                  9 min
                • Bootstrapping Your Hydroponic Start Up: Keep Control, Innovation, Motivation and Fun

                  Dr. Russell Sharp makes the case for bootstrapping hydroponic businesses instead of taking big external investment, arguing that self-funding preserves control, motivation, creativity and long-term sustainability.

                  He explains how serendipitous innovation, family-owned advantages, and low-cost organic marketing let smaller operations grow responsibly and adaptively, offering practical examples and encouraging listeners to consider independent, profit-driven paths to scale.

                  https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

                  Dave Chen

                  Rory Sutherland Ogilvy 

                  Gantt Charts

                  Dragon's Den

                  Shark Tank

                  Listing on Stock Market PLC

                  Alan Sugar The Apprentice 

                  Adam Neumann WeWork

                  Elizabeth Holmes

                  Steve Jobs

                  Travis Kalanick
                  Adam Neumann
                  Andrew Mason
                  Jack Dorsey
                  Noah Glass
                  Jerry Yang
                  Eduardo Saverin
                  Martin Eberhard
                  Parker Conrad

                  Paul Graham Y Combinator 

                  Warren Buffett

                  Charlie Munger
                  Benjamin Graham
                  Peter Lynch
                  Ray Dalio
                  George Soros
                  Carl Icahn
                  John Templeton
                  Philip Fisher
                  Stanley Druckenmiller

                  Peter Thiel 

                   

                  22 min
                • Does Big Money Matter? The New Economics of CEA Investing

                  Dr. Russell Sharp breaks down a candid interview with Equilibrium Capital's Dave Chen on the challenges of financing and scaling controlled environment agriculture (CEA). He covers why large capital requirements, post‑COVID funding shifts, and supermarket relationships make leafy‑green CEA a high‑risk, high‑scale business.

                  The episode also explores niche crop opportunities, the power of cooperatives and branding, and the "holy trinity" of operator, grower and retail partner needed to succeed — plus how Eutrema can help with fertilisers and biostimulants for CEA growers.

                  https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

                   

                  Little Leaf, Revol Greens, and Perfection Fresh

                  Hortidaily

                  Horticulture Week

                   

                  11 min
                • More Grocery Store Hacks: Growing Exotic Rhizomes for Less

                  Dr. Russell Sharp explains how to use store-bought seeds, rhizomes and tubers—like spelt, mung beans, turmeric, ginger, galangal, sweet potatoes and more—as propagation material for hydroponic crops and microgreens.

                  He covers practical tips (avoid roasted seeds, look for buds, and watch for disease risks), nutrient considerations for rhizomes, and money-saving business ideas such as producing sweet potato slips.

                  The episode balances low-cost DIY propagation techniques with cautions about viruses, aflatoxins and when to prefer certified seed stock.

                  https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

                   

                  Jamaican Sprinters

                  Chinese Yams

                  Sweet Potato

                  Taro

                  Eddoe

                  Turmeric

                  Ginger

                   

                  14 min
                • Predicting Cannabis Potency with Your Smartphone: Hyperspectral Breakthrough

                  Dr. Russell Sharp explores recent research showing that hyperspectral leaf scans combined with machine learning can predict cannabinoid concentrations in legal cannabis before harvest, and outlines a new technique that could let standard smartphone cameras act like hyperspectral sensors using a reference card and software.

                  The episode covers practical applications for growers and breeders; from pre‑selling crops and ensuring hemp THC compliance to rapidly screening seedlings, and considers how these tools could be brought together in a future smartphone app.

                  https://eutrema.co.uk/shop/biostimulants/slugger/

                   

                  Compolytics

                  fan leaf hyperspectral reflectance (FLHR)

                  University of Adelaide's Dr Aaron Phillips

                  Purdue University researcher Young Kim

                  Semin Kwon of the Weldon School of Biomedical Engineering 

                  James Hutton Institute Dundee

                  13 min
                • How Weight-Loss Drugs Could Reshape Global Crop Demand

                  Dr. Russell Sharp explores how widespread use of GLP‑1 weight‑loss drugs (soon available orally) could reduce overall calorie intake and shift demand across crop types. He outlines the likely big losers (corn/maize, soybeans, sugar, palm oil) and relative winners (pulses, fibre‑rich fruits and vegetables, premium proteins), as well as crops likely to remain stable (rice, wheat, tubers) and non‑food crops largely unaffected.

                  The episode discusses implications for hydroponics and horticulture, potential changes in the food and leisure industries, and cautions about drug side effects and broader societal impacts.

                  https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

                  Liraglutide Victoza,  Saxenda 

                  Semaglutide, Ozempic, Wegovy

                  Tirzepatide Mounjaro 

                  Robbie Williams, Greggs the baker, McDonalds, KFC, Wendy's, Chick-fil-a, chipotle, beyond meat, impossible foods, subway, waitrose, tesco, sainsbury's, asda, aldi, lidl, hyrox, crossfit, turf games, park run, personal trainers, david lloyd gyms, jd sports, jd gyms, virgin active, vitality insurance, 

                  14 min
                • Spain's Radical Plan: 20–30 Day Crop Shutdown to Kill Thrips

                  Dr. Russell Sharp explores a controversial strategy where entire growing regions pause production for 20–30 days to break pest life cycles — using crop removal, soil solarization and biological controls. He compares past field-crop proposals to recent plans in Almería to tackle thrips and discusses the economic pain, possible aid, and whether coordinated shutdowns could work for other crops.

                  The episode weighs practical challenges, examples from rapeseed and protected crops, and asks listeners to consider if collective action can realistically eliminate stubborn pests or diseases.

                  https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

                   

                  Andrés Iniesta, Xavi, Sergio Ramos, Carles Puyol, Iker Casillas, lamine yamal, 

                  11 min
                • Vanilla Cultivation - Hand-Pollinated Gold

                  Dr. Russell Sharp dives into the unique world of vanilla: an orchid vine that requires delicate, manual pollination outside its native range, long development times, and careful curing. Learn why vanilla farming is labor-intensive, how hydroponic tower systems are being used, and what breeders are doing to improve resilience and pollination.

                  https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

                   

                  Ice cream

                  Custard

                  Madagascar

                  Indonesia

                  Nepal

                  India

                  11 min

                About Hydroponics Daily

                From the publisher's feed

                Daily clips of hydroponic science throughout the whole of 2025

                Presented by Dr Russell Sharp

                Brought to you by the team behind Gold Leaf - seed to harvest with just one bottle of feed.