Worm Farm Castings Harvest Calculator
Enter your bin size, worm species, and feeding habits to estimate how much castings you'll get each month, when your first harvest is ready, and how often to check moisture. Nothing uploaded.
Monthly castings estimate
First harvest date
Moisture check schedule
Bin capacity check
Estimates only. Castings output and harvest timing vary with temperature, bin design, and worm health - use this as a planning starting point, not a guarantee.
Bin & worms
Feeding
Feeding frequency
Food type
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