DR GREENTHUMBS ROOT ROID – Organic Rootzone Biostimulant & Microbial Growth Enhancer
Dr Greenthumbs Root Roid is Australia’s leading rootzone biostimulant, crafted from 100% organic and living ingredients. This premium blend of mycorrhizae and nutrient-solubilizing bacteria rapidly colonizes the root zone, unlocking nutrients, boosting plant vigor, and accelerating growth. Designed to complement any nutrient program, Root Roid is ideal for coco and soil growers seeking explosive root development, improved flavor, and reduced vegetative time. Hydroponic users also benefit from reduced fertilizer costs and superior flower quality.
Key Features
- Creates massive colonies of beneficial microbes in the root zone
- Shortens vegetative phase by 7–10 days due to increased vigor
- Improves nutrient retention and uptake efficiency
- Eliminates harmful organisms and promotes root health
- Delivers noticeable results within 48 hours
- Reduces fertilizer costs by 15–25% in hydro systems
- Compatible with coco, soil, hydroponics, and foliar applications
Active Ingredients
- Rhizophagus irregularis (mycorrhizae)
- Bacillus subtilis
- Trichoderma harzianum
- Beauveria bassiana
- 100% organic microbe food base
Application Notes
- Coco/Soilless Media: ½–1 scoop per liter weekly during veg & flower
- Organic Soil: ½–1 scoop per liter weekly during veg & flower
- Hydroponics: ½ scoop per liter fortnightly; use in active systems
- Propagation: ¼ scoop per liter; drench media and repeat at root emergence
- Foliar Spray: ½ scoop per liter; apply at night and allow 10-hour rest
- Stop use 1 week before flush in coco systems
- Always add Root Roid last after pH adjustment; slight pH rise is normal and self-buffering
| Metric | Value |
|---|---|
| SKU | SG-S1383 |
| Brand | Dr Greenthumbs |
| Product Name | Root Roid |
| Formulation | Powdered microbial inoculant |
| Application Window | Vegetative & flowering stages |
| Compatibility | Coco, soil, hydroponics, foliar |
| Function | Root stimulation, microbial colonization, nutrient unlocking |
| Visible Results | Within 48 hours |
| Size | 75G, 225G |









