Hydro Nutrient Calculator

Dial in reservoir feeds for your HERB tower with fast ml/L dosing, split A/B nutrient support, and built-in pH and EC reminders.

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Mode Single or A/B

pH target 5.5-6.5

Saved Auto

HERB Facts

Basil grows best with steady moisture and bright light.

Simple Mix

Start with how much water is in your bucket.

How much water is in your bucket?

litres

What are you growing?

I use Part A + Part B nutrients Turn this on only if your bottles are split into A and B.

How strong should the feed be?

Nutrient dose from the bottle label

ml/L

Did you add extra water?

litres

Feeding notes

Nutrient Commander Mix nutrients and calculate feed strength.

In Use

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Herb-Hub Open the main HERB companion hub.

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Follow the steps below after measuring the water.

Total nutrient amount 0 ml

Top-up amount 0 ml

What do I do now?

pH target 5.5-6.5

EC/PPM Check EC/PPM after mixing.

Mixing order Add Part A first, stir, then Part B.

pH adjust Adjust pH only after nutrients are fully mixed.

Last mix saved: not yet

Companion app

Use the calculator here, then jump into the HERB companion app for plant checks, feed notes, and growth tracking.

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