Nutrient Schedule Calculator

Feed concentration by growth stage and medium.

Growth stage (0-5)

Reservoir size (gal)

Nutrient strength (%)

Tap water PPM

Number of plants

Tab to move between fields

Target PPM

1,000

PPM to add950

Target EC (mS/cm)2

Concentrate (mL/gal)4.8

Total concentrate (mL)95

Reservoir life (days)4

Daily water use (gal)5

N ratio (%)43

P ratio (%)14

K ratio (%)43

How to Use This Calculator

Select the current growth stage (seedling through flush).
Enter reservoir size in gallons, nutrient strength (%), tap water PPM baseline, and plant count.
Review Target PPM, Target EC (mS/cm), Concentrate (mL/gal), and Reservoir Life (days).
Check N, P, and K ratio outputs to confirm they match stage-appropriate emphasis.

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