Free grow tools
Free mushroom growing tools
Updated
Free mushroom growing calculators: scale a substrate recipe and spawn, get dated stages for a grow profile, and check your chamber's fresh air.
- Mushroom substrate and spawn calculator. Enter a tub size or a target weight, pick CVG, Master's Mix, hardwood sawdust, straw, or coffee grounds, and get dry ingredients, water, gypsum, and spawn.
- Mushroom grow timeline calculator. Pick a mushroom and a start date to get the date each stage begins, its temperature, humidity, and light, and your harvest window. Add it to your calendar.
- Mushroom fresh air and humidity planner. Enter your grow chamber size and fan flow to get air changes per hour, next to the humidity and fan cycle your mushroom needs. Works in cm or inches.