The Gardeners' Knowledge Hub

Moisture Is Why Dehydrated Food Keeps for a Year and Freeze Dried Food Keeps for 25
A dehydrator is built to stop at 10 to 20 percent moisture. A freeze dryer is built to keep going. What that one number decides about shelf life, what you can preserve, batch times, circuits and running cost.

Pollen Tumbler Sizes Are Grams Per Cycle, and the Screen Micron Is a Separate Choice
The 150, 500 and 1500 on a dry sift tumbler are grams per 15 minute cycle, not screen micron. How to pick the machine size, why the 125, 145 or 185 micron screen matters more, and when a trim tray or ice water washer is the better buy.
Bubble Magic 5 Gallon vs 20 Gallon: Most Home Growers Only Need the 5
DL Wholesale rates the 20 gallon Bubble Magic at four times the load of the 5 gallon, but most home harvests never fill it. What each machine takes per run, where each one has to sit, what the bag sets add, and when stepping up is actually worth the money.
What comes in every AutoPot system, by model
Check every part in your AutoPot box by model, and see what you still need to buy before setup.
Biochar Belongs in a Soil Mix at 8 Percent Because 10 Percent Costs You Peak Nitrate
Living Soil
Biochar Belongs in a Soil Mix at 8 Percent Because 10 Percent Costs You Peak Nitrate
What Black Owl biochar does inside a wate...
Why your AutoPot tray isn't cycling, and how to fix it
Tray not filling, filling slowly, or flooding? Find the cause by symptom and fix it.
Feeding an AutoPot: what to run, and what to keep out of the reservoir
Pick a feeding method and a strength that won't burn: reservoir, pot, or tray feeding.
Why your AutoPot reservoir pH drifts, and how to stop chasing it
Stop chasing pH every day. Measure the reservoir, find the cause, and fix it once.
Stopping fungus gnats in a bottom-fed AutoPot
Why gnats still show up when the top stays dry, and how to stop them without top watering.
How to size an AutoPot reservoir
Measure your own daily draw and pick a tank that lasts as long as you want between refills.
Keeping your AutoPot clean between runs
Tear down, clean, and store your AutoPot so the next run starts without sticky valves.
Finishing an AutoPot run without top watering
Switch to plain water the AutoPot way for the last 10 to 14 days, and never pour through the top.

