Regime
PMDD
Philosophy
PMDD was born from the DIY community as an affordable alternative. Mix dry salts (KNO3, KH2PO4, K2SO4, CSM+B) into stock solutions.
The most affordable and flexible method with full control over composition.
Recommended nutrient targets
| Parameter | mg/L |
|---|---|
| N (NO₃) | 15 |
| P (PO₄) | 1.5 |
| K | 25 |
| Fe | 0.3 |
| Mg | 4 |
| Ca | 15 |
| B | 0.015 |
| Mn | 0.3 |
| Zn | 0.02 |
| Cu | 0.008 |
| Mo | 0.002 |
Dosing frequency
Daily (diluted stock solutions)
Water change
30-50% weekly
CO₂
Pressurized recommended
Light
Medium-high (40-70 PAR)
Pros
- Extremely affordable
- Full control over composition
- Flexible and scalable
- Active DIY community
Cons
- Requires initial preparation
- Precision scale needed
- Not for simplicity seekers
- Dry salts to source
Common Errors
- •(EN) Content pending...
Advanced Techniques
- •(EN) Content pending...
Ideal for
DIY hobbyists wanting savings and full control, especially with multiple tanks.