Indoor Grow Tent Soil Calculator
Determine exactly how much soil you need for your indoor grow tent setup. Get precise measurements in cubic feet or liters.
Recommended Soil Products
These premium soils are perfect for your indoor grow tent setup:
FoxFarm Ocean Forest Potting Soil
pH adjusted premium blend with earthworm castings, bat guano, and sea-going fish and crab meal for optimal plant growth.
View FoxFarm SoilEspoma Organic Potting Mix
100% organic mix with Myco-tone mycorrhizae for stronger roots and healthier plants in your grow tent.
View Espoma MixFrequently Asked Questions
How deep should soil be in a grow tent?
Most plants need 12-18 inches of soil depth in a grow tent. Deeper soil allows for better root development and water retention. Our calculator defaults to 12 inches which works for most plants.
Can I reuse soil in my grow tent?
Yes, you can reuse soil but it’s recommended to refresh it with nutrients and organic matter between grows. Some growers mix 50% new soil with 50% reused soil.
What’s the best soil for indoor grow tents?
Look for well-aerated, nutrient-rich potting mixes specifically formulated for container gardening. The products we recommend above are excellent choices for indoor grow tents.