

BioSafe Systems ZeroTol HC Algaecide, Bactericide & Fungicide
Support your plant-care routine with BioSafe Systems ZeroTol HC, a broad-spectrum liquid concentrate for controlling listed algae, bacterial and fungal problems. Its hydrogen peroxide and peroxyacetic acid formula works on contact.
ZeroTol HC is OMRI Listed and offers labeled applications for plants, growing systems and hard, non-porous surfaces. Use according to the container label for your treatment site.
Key Features
- Contact action: Controls or suppresses listed organisms.
- Broad-spectrum formula: Algaecide, bactericide and fungicide.
- OMRI Listed: Suitable for organic production when used as directed.
- Versatile applications: Labeled for plant and surface treatments.
- Concentrated liquid: Dilute according to the application instructions.
Product Specifications
| Specification | Details |
|---|---|
| Manufacturer | BioSafe Systems |
| Product | ZeroTol HC |
| Form | Liquid concentrate |
| Hydrogen peroxide | 5.34% |
| Peroxyacetic acid | 1.36% |
| EPA registration number | 70299-16 |
| Certification | OMRI Listed |
Directions & Care
Read and follow the container label for dilution, protective equipment and application requirements. Test a small number of plants before broader treatment; do not apply to wilted plants.
Mix concentrate only with water as directed. Store in its original container in a cool, dry, well-ventilated location away from sunlight. Keep out of reach of children. Application restrictions vary by state.

