






HESI PowerZyme
- Root-zone enzyme
- Supports cleaner root-zone conditions
- Additive only
Quick facts
- Type
- Enzyme additive
- Substrates
- Soil / potting mix, Coco, Hydro, Passive semi-hydro, and LECA
- Dosage
- 20 ml/10 L
- Frequency
- Every watering as needed
- Skill level
- Intermediate
- pH/EC
- Recommended
VAT included · plus
Please note: Most fertilizers ship separately from plants. A separate shipping fee may apply, and the final cost is calculated at checkout by order weight. Free shipping does not apply.
HESI PowerZyme is for maintaining the root zone in established pots or systems. Its value is in enzyme support around residues and old root material, while the base feed handles growth.
Root-zone maintenance
It fits established plants, repotted plants and long-running pots where the medium itself needs attention. Enzymes do a different job from fertilizer salts or organic feed, so PowerZyme works best beside a base nutrient.
The quiet HESI helper
Root Complex is for new roots, TNT or Hydro Growth is for feeding, and PowerZyme is for keeping the root environment in better condition during ongoing care.
Most fertilizers and additives are packed and shipped separately from plants.
Because of this, they may have their own shipping charge. Your final delivery cost is shown at checkout and is calculated by the total weight of your order.
Free shipping does not apply to fertilizer and additive products.
- Fertilizer choice guide: Compare liquid, slow-release, organic, and mineral fertilizers, read NPK labels, and match feeding to your plant’s substrate and light.
- Beginner fertilizing routine: Learn the basics of nutrients, safe dilution, feeding timing, flushing, and how to avoid burning houseplant roots.
- Semi-hydro fertilizing: Feed plants in LECA, pon, pumice, and reservoir setups with better control over nutrients, EC, pH, top-ups, and salt resets.
Please head to our FAQ Page or Contact us.
What's inside:
- NPK Ratio: No NPK / Trichoderma-derived enzyme extract
- Nutrient basis: Enzyme extract from Trichoderma





