Novacotton’s GrowEngine v3.4

If this doesn’t make your plants dank, blame the lizards running the hydro store. Keep on growing O_O
As Seen on YouTube!

Cannabis Plant Type

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CropSalt Quick Calcs

Quick Calc: 1. Pick S2 (Safe) or S3 (Experimental). 2. Choose your week. 3. Enter your Res size. 4. Hit UPDATE to get your recipe.

Cycle EC Curve

EC Curve: Visualizing the "Salt Stress" over time. Season 3 pushes much harder in mid-flower!

Run Inventory

Shopping List: Don't run out mid-grow. Enter your AVERAGE weekly res fill here to calculate total grams/mL needed for the whole 12 weeks.

Custom PPM Mixer

Mixer: Build a custom recipe here. Select a brand to load nutrient profiles. You can now SAVE your custom mix using the button below!

EC Targets

EC ranges

DLI Calculator

DLI: Measures total light per day. Too low? Stretching. Too high? Bleaching/Stress. Aim for the gold zone.

DLI Reference

DLI Chart

VPD Check

VPD: The "sweat" meter. Too low = mold/slow growth. Too high = crispy leaves. Leaf temp is crucial here!

VPD Reference

VPD Chart

Flush Calc

Flush: How much water to dump to reset your medium. Used when runoff EC spikes too high.

Runoff Targets

EC Chart

Cure / Dew Point

Cure Check: The danger zone. Dew Point MUST be lower than temp or water condenses on buds = MOLD.

Res Top-Off

Top-Off: You added plain water to the res, now the EC is low. This tells you how much nutrient concentrate to add back.

EC Reference

EC Chart