She unfortunately molded a bit and my friend had to harvest her while i was on vacation.
Really should add a fan to my setup....
She took 73 days from first leafs
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Set up cost (fixed costs)
-Lamp: 40€
-Timer: 3,5€
-Pot: 4€
-Total fixed costs: 47,5€
Given 5 years (or 15 grows) usage time translates to around 3,17€ per grow in materials.
Variable costs:
-Seed: free
-Soil: 4€
-Fertilizer: 3,50€
-Power: 18,92€
-Total variable costs: 26,42€
-Total costs per grow: 29,59€