Free Growing Tools
Calculators and tools to help plan your indoor grow.
Perpetual Harvest Calculator
Calculate how many plants you need for continuous harvests based on flowering time and harvest frequency.
Tent Spacing Calculator
Find out how many plants fit in your grow tent based on tent size and plant spacing.
Perpetual vs Sequential Calculator
Compare annual yield between perpetual rotation and sequential batch growing methods.
Grow Environment Advisor
Get optimal temperature, humidity, light, and nutrient targets based on your setup.