Feed calculator
Water volume (litres)
Stage & week
Growth week 1
Programme
Adds PK 9/18 in flower weeks 4–6. Use one or the other, never both.
Medium
Water
Mag Cal is added for coco, soft or RO water.
Strength (for ranged doses): Low
LowMidHigh
Start low, especially with young plants or hard water, and move up as the plant responds.
Your mix
10 L · Growth week 1Always add Stress first and mix thoroughly before adding the rest of the nutrients.
- 1

Stress
2ml
↓ mix thoroughly
- 2

Grow Part A
range 10–20 ml
10ml
↓ stir
- 3

Grow Part B
range 10–20 ml
10ml
↓ stir
- 4

Root Shoot
2ml
- 5

Ultra Zyme
range 20–30 ml
20ml
- Check EC and pH
Targets this week
- EC
- 1.2
- Closed-room EC
- 1.4
- pH
- 5.5–6.5
- Temp
- 20–27 °C
- Humidity
- 70–85%
- Light
- 18/6
Monkey Mist: ready to use, no mixing.
