




Why APT?
Inquiries are directed instantly to our Kathmandu boutique for rapid custom service.
Why APT?
The EI (Estimative Index) approach pioneered by Tom Barr is designed to provide an unlimited, unconstrained amount of nutrients to plants based on an estimated index of their needs. APT e (Estimative Index) provides a carefully calibrated version of this approach to deliver richer coloration and superior algae control.
| Nutrient | Value |
|---|---|
| Total Nitrogen (N) | 2.0% (2.0% Nitrate Nitrogen) |
| Available Phosphoric Acid (P₂O₅) | 1.37% |
| Soluble Potash (K₂O) | 8.0% |
| Magnesium (Mg) | 1.60% |
| Iron (Fe) | 0.16% (0.16% Chelated Iron) |
Derived from: Potassium Sulfate, Potassium Phosphate, Potassium Chloride, Magnesium Nitrate, Magnesium Sulfate, DTPA Iron, EDTA Iron, and EDDHA Iron.