Fertilizer Dosing Systems

Methods and technologies for adding nutrients — from manual dosing to automated systems with features of each approach.

EI (Estimative Index)

Intensive fertilization system with excess dosing, developed by Tom Barr.

PPS-Pro (Perpetual Preservation System)

Dosing system with small portions and daily fertilizer application.

Lean dosing

Minimalist approach with low fertilizer dosages and rich substrate.

ADA System

Japanese method using nutrient-rich substrate and specialized fertilizers.