Mills Nutrients Start-R
Best premium root stimulant for serious indoor gardeners seeking vigorous growth.
A specialized supplement that gives seedlings and young plants a head start by promoting vigorous root development and branching. It combines nitrogen sources with seaweed extracts to build a strong foundation for vegetative growth.
$37.78
at
Horticulture Source
Who it's for
- Growers seeking rapid establishment and vigorous early plant growth
- Gardeners wanting to maximize the efficiency of their feeding schedule
- Cultivators moving young plants into new or larger growing systems
Who should skip it
- Budget-conscious hobbyists looking for the most affordable nutrient options
- Users with limited climate-controlled storage space for garden supplies
- Novice growers who prefer a simple one-part nutrient approach
Performance breakdown
Root development speed
Seaweed extracts drive aggressive root establishment in delicate young starts.
Vegetative vigor
Dual nitrogen sources create a noticeable boost in early branching density.
Seedling safety
Gentle formulation minimizes risk of nutrient burn on sensitive new growth.
Ease of application
Simple mixing ratios make it approachable for growers of all levels.
Nutrient bioavailability
Highly accessible nitrogen compounds ensure rapid uptake during critical growth windows.
Transition readiness
Sets a strong structural foundation before plants shift to bloom cycles.
Key Specs
Weight
3.641 lbs
Dimensions
2.42 × 3.79 × 9.78 in
NPK Ratio
5-0-0.5
Nitrogen Percentage
5%
Phosphorus Percentage
0%
Potassium Percentage
0.5%
Package Weight
3.641 lbs
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