Author: Eric Klamer

Ask any commercial cannabis grower what they pulled on their last run and you’ll get a dry weight number. Maybe a grams-per-light figure if they’re feeling precise. But ask them what their trim ratio was and you’ll usually get a blank stare. Or a shrug. That’s a problem, because trim ratio is one of the…

Read article

Every cannabis grower has a target number pinned up somewhere. 78°F. 55% RH. 1.2 VPD. Maybe you’ve got it taped to the wall next to a feed chart or burned into your brain from a forum post you read three years ago. And that number isn’t wrong. But it’s also not the thing that’s holding…

Read article

If you run a commercial cannabis grow, you’ve asked this question. Probably typed it into Google at 2 AM after a disappointing harvest. “What’s a good lb per light?” And you got the same answer everyone gets: 2 to 3 pounds per light is average, 3+ is great, anything under 1.5 means something is wrong.…

Read article

Here’s a question that should make every cannabis grower uncomfortable: how much weight are you throwing away at the end of every run? Not trim waste. Not larf you didn’t bother bucking. I’m talking about perfectly good, fully developed flower that you’re overdrying into dust because you’re not measuring water activity. Most commercial cannabis cultivation…

Read article

Every facility has that one legendary run. The one where everything clicked. Environment was dialed, the cultivar expressed perfectly, dryback timing was spot on, and the final numbers made you feel like you’d figured it all out. Then the next run comes in 15% lighter. The one after that, maybe 20%. And suddenly you’re scrambling…

Read article

What is Cost Per Pound? The Number That Determines Whether Your Facility Survives Every commercial grower I know can tell you their yield per light. Most can tell you their average dry weight per batch. Some can even recite their VPD targets from memory. But ask them their cost per pound, and you’ll get a…

Read article

What is Dry Weight Optimization? Why Your Drying Room Might Be Costing You 20% of Your Harvest Here’s a question I ask every grower I meet: how much time did you spend dialing in your flower room last cycle? Now how much time did you spend dialing in your dry room? The answer is almost…

Read article

What is VPD? Why Vapor Pressure Deficit Matters More Than Temperature or Humidity Alone Here’s a scenario I’ve watched play out in dozens of facilities. The grow lead walks the rooms, checks the controller: 78°F, 55% RH. Both numbers look solid. “Environment’s dialed,” they tell the team. Meanwhile, the canopy is telling a different story.…

Read article

What is Crop Steering? A Practical Guide for Commercial Growers “Crop steering” gets thrown around a lot these days. Equipment reps use it, consultants put it in slide decks, and every new grower at every trade show asks about it like it’s some secret technique the top facilities are hiding. It’s not a secret. It’s…

Read article