Living Soil Feeding Calculator

How much do I need?

Set your pot or bed size and get the exact amounts: charge, Veg and Bloom.

Soil volume

80 L

Grow length

Veg 4 weeks

Bloom 6 weeks

Build

Flavour Balanced Max yield

Phosphorus charge

Bone meal Rock phosphate

The charge, worked in once a week before planting (bone meal)

720 g

Veg blend

112 g / week

7.5 tbsp a week

Over 4 weeks: 448 g

Bloom blend

107 g / week

7.1 tbsp a week

Over 6 weeks: 640 g

Top-dress the Veg blend weekly through growth, switch to Bloom weekly once flowers set, then finish on plain water. Reusing last year's soil? Take a third of the charge (240 g) and keep the blends the same.

Dr Forest · Made by Growers. Backed by Science. · 1 tbsp ≈ 15 g