All Episodes

S4 E60 Can water retention products improve turfgrass quality without increasing soil moisture? + Comments

S4 E59 Can fungicides eliminate soil water repellency? + Comments

S4 E58 Can sand actually become waterproof?

S4 E57 Do different wetting agents actually perform differently?

S4 E56 Does applying more wetting agent actually improve turfgrass performance?

S4 E55 Do fewer Poa annua seedheads mean more roots?

S4 E54 Can wetting agents suppress Poa Annua seedheads?

S4 E53 Why do localized dry spots form on golf greens, and why won’t water soak in?

S4 E52 Can a wetting agent reduce leaf spot disease in Kentucky bluegrass?

S4 E51 Tinfoil Turfgrass - Can CytoGro + Hydretain Really Save Water?

S4 E50 Tinfoil Turfgrass - Does CarbonPro-G Unlock Nutrients or Add Them?

S4 E49 Where Do Wetting Agents Go in Soil?

S4 E48 Can Surfactants Harm Turfgrass?

S4 E47 Wetting Agents, Soil Oxygen, and Roots.

S4 E46 Does Hydretain Really Reduce Watering by 50% or More?

S4 E45 Wetting agents, turfgrass growth, and soil salinity + Tinfoil Turfgrass

S4 E44 When Do Wetting Agents Improve Infiltration?

S4 E43 More Turfgrass Questions Answered: Soil Testing, Heat Stress & Turf Science

S4 E42 Answering Your Turfgrass Questions + Tinfoil Turfgrass!

S4 E41 Tinfoil Turfgrass - Urea is a Problem...and Other Nonsense.

S4 E40 Wetter Water?

S4 E39 When Were Wetting Agents First Used for Turfgrasses?

S4 E38 Did Your Brain Decide Before You Did?

S4 E37 Your Brain Decided Before You Knew

S4 E36 Appeal to Authority: Why Smart People Make Bad Decisions

S4 E35 Why We Believe Things That Aren't True - Part 1

S4 E34 Why Smart People Keep Making This Mistake

S4 E33 What Astrology, Personality Tests, and Soil Tests Have in Common

S4 E32 Bandwagon Appeal and Social Pressure

S4 E31 Dr. Jada Powlen - Summer Nitrogen on Tall Fescue?

S4 E30 Does Manganese Influence Take-All Disease?

S4 E29 Can Silicon Reduce Turfgrass Disease?

S4 E28 Does Biological Disease Control Work on Turfgrasses?

S4 E27 Tinfoil Turfgrass - 35 Years of Experience. 35 Years of Bullsh*t.

S4 E26 Tinfoil Turfgrass - How to With Steve and BS Booster!

S4 E25 Tinfoil Turfgrass - More soil testing nonsense from Steve.

S4 E24 Tinfoil Turfgrass - He Thinks Aerification is the Most Important Thing for Your Lawn. 🤦‍♂️

S4 E23 Comments and Emails - Why do pet spots last so long?

S4 E22 Elevated Lawnscapes, Turf Therapy, and Polo Fields

S4 E21 Calcium vs. Limestone on Dollar Spot.

S4 E20 Can Milorganite, Sea Kelp, or Manure Reduce Dollar Spot + Tinfoil Turfgrass!

S4 E19 Dr. Scott McElroy - Herbicide and Insecticide Interations

S4 E18 Tinfoil Turfgrass - Floratine 'Master Class' of BS

S4 E17 Organic Fertilizers and Turfgrass Disease

S4 E16 Organic Fertilizer and Dollar Spot.

S4 E15 Do Spray Nozzles and Volume Influence Dollar Spot?

S4 E14 Tinfoil Turfgrass: The BS Behind Amino Acids for Turfgrass.

S4 E13 Does Dew Removal Reduce Dollar Spot?

S4 E12 Common Diseases on Cool-Season Lawns

S4 E11 Does Blending Bentgrass Cultivars Reduce Dollar Spot?

S4 E10 Irrigation Influence on Disease and Weeds.

S4 E9 February 2026 Comments and Emails: Part 2

S4 E8 February 2026 Comments and Emails: Part 1

S4 E7 Light vs Heavy Irrigation on Dollar Spot and Gray Leaf Spot.

S4 E6 Combining Urea and Iron Sulfate for Dollar Spot Control.

S4 E5 Iron Sulfate vs. Iron Chelate for Dollar Spot?

S4 E4 Iron Sulfate and Dollar Spot

S4 E3 Does Nitrogen Suppress Dollar Spot?

S4 E2 Tinfoil Turfgrass: Back 2 BS Basics.

S4 E1 Does Potassium Influence Dollar Spot?

S3 E67 December 2025 Comments and Emails!

S3 E66 Dr. John Inguagiato. Can Phosphite Reduce Algae?

S3 E65 Tinfoil Turfgrass: Soil Testing Goes Extreme!

S3 E64 Grey Leaf Spot, Mowing Height, and Nitrogen

S3 E63 Tinfoil Turfgrass: How to Evaluate Claims When The Salesman Knows More Than You.

S3 E62 Dr. Lee Miller - Turf Fungicide Resistance?

S3 E61 Fungicides and Species Resistances Affects Dollar Spot

S3 E60 Biology and Management of Dollar Spot

S3 E59 Tinfoil Turfgrass: Don't Use This Soil Test!

S3 E58 Which Journals Can You Trust?

S3 E57 Does Trinexapac Reduce Dollar Spot?

S3 E56 University Extension Programs

S3 E55 Dew, Nitrogen, and Dollar Spot

S3 E54 The Rise and Fall of University Turfgrass Programs

S3 E53 Does Biochar Reduce Dollar Spot?

S3 E52 Biology and Management of Large Patch

S3 E51 Dollar Spot on Turfgrass

S3 E50 Water Use on U.S. Golf Courses

S3 E49 Tinfoil Turfgrass: How Conmen Deceive While Being Truthful.

S3 E48 How to Water When Drought is Coming + Tinfoil Turfgrass.

S3 E47 Tinfoil Turfgrass: The Liquid Aeration Con in Lawncare.

S3 E46 Two-Year Anniversary and Research Fund Raiser!

S3 E45 Tall Fescue Rooting and Deficit Irrigation

S3 E44 Frequent Irrigation Increases Turf Quality and Weeds.

S3 E43 Irrigation Affects Fescue Color and Weeds

S3 E42 Does Irrigation Influence Root Extension?

S3 E41 Kentucky Bluegrass, Water Use, and Soil Texture

S3 E40 Exploring Irrigation Strategies for Tall Fescue

S3 E39 Tinfoil Turfgrass: Whole Lot of Potassium = Whole Lot of Waste

S3 E38 Tinfoil Turfgrass: More Granular and Foliar Iron Nonsense for Your Lawn.

S3 E37 Perennial Ryegrass Irrigation Rates and Frequency. Plus Tinfoil Turfgrass!

S3 E36 Dr. Dan Sandor - Irrigation Requirements Following Seeding

S3 E35 Which Turfgrass Uses the Least Water? Surprising Results from Oregon Research

S3 E34 Comments and Emails. June 2025. Part 2.

S3 E33 Comments and Emails. June 2025. Part 1.

S3 E32 Tinfoil Turfgrass: Debunking Summer Lawn Care Myths

S3 E31 Drought Testing. Which Grass Uses the Least Water?

S3 E30 Tinfoil Turfgrass: University Study Misused? The Truth About Liquid Aeration.

S3 E29 Which Grass Survives Water Restrictions?

S3 E28 Is Liquid Aeration a Scam?