Nutrients · US & Canada
Coming soon — launching January 2027Three-part nutrients, built for coco.
Base, Build and Burst — a pre-blended program formulated for cannabis and hemp in coco coir.
Also suitable for rockwool, peat and soilless mixes, and for vegetable and fruit crops.

PART A
HortGrow Base
Part A — calcium, nitrogen & micronutrients.
ConfigurePART B
HortGrow Build
Part B — vegetative growth & structure.
ConfigurePART C
HortGrow Burst
Part C — flowering & ripening.
ConfigureNutrients
Feeding Charts
Coco coir, drip or hand-fed. Granular salts — values in grams per US gallon of RO/low-EC water. Dissolve Base fully first, then add Build or Burst.
| Stage | Week | Base | Build | Burst | EC (mS/cm) | pH |
|---|---|---|---|---|---|---|
| Clone / Seedling | 1–2 | 0.8 g | 0.4 g | 0 g | 0.6–0.9 | 5.8–6.0 |
| Early Veg | 1–2 | 1.5 g | 1 g | 0 g | 1.0–1.4 | 5.8–6.0 |
| Late Veg | 3–4 | 2 g | 1.5 g | 0 g | 1.4–1.8 | 5.8–6.1 |
| Transition | Flower 1–2 | 2 g | 0.8 g | 0.8 g | 1.6–2.0 | 5.9–6.2 |
| Mid Flower | Flower 3–6 | 2 g | 0 g | 2 g | 1.8–2.2 | 5.9–6.2 |
| Late Flower | Flower 7–8 | 1.5 g | 0 g | 1.5 g | 1.4–1.8 | 6.0–6.2 |
| Finish | Final 5–7 days | 0 g | 0 g | 0 g | Water only | 6.0 |
Starting guidance only. Adjust for cultivar, climate, irrigation frequency and runoff EC.
Nutrients
Standard Operating Procedures
- Hydrate compressed coco with pH 5.8 water until fully expanded.
- Pre-charge with Base at 1 g/gal to saturate exchange sites with calcium.
- Flush until runoff EC is below 0.8 mS/cm before transplant.
