Photosynthesis Plus-O
Best microbial supplement for gardeners seeking to maximize plant nutrient uptake.
This microbial supplement acts as a biological engine for your garden, turning dormant nutrients into accessible fuel for your plants. While it requires a bit of patience to let the bacteria colonize, the trade-off is a noticeably more efficient root system and significantly higher yields.
$29.99
at
Groweze
Who it's for
- Aquarists and gardeners seeking enhanced growth and vibrant plant health
- System owners wanting cleaner water and reduced maintenance efforts
- Versatile growers managing both aquatic and soil-based environments
Who should skip it
- Gardeners expecting immediate, guaranteed results regardless of light conditions
- Budget-conscious hobbyists avoiding recurring monthly expenses
- Users lacking dedicated space for temperature-controlled storage
Performance breakdown
Nutrient Bioavailability
Microbial action unlocks locked-out nutrients for immediate root zone uptake.
System Compatibility
Integrates effortlessly into any existing liquid or soil feeding regimen.
Photosynthetic Efficiency
Boosts light conversion rates for noticeably faster vegetative growth cycles.
Nitrogen Fixation
Harnesses atmospheric nitrogen to reduce reliance on heavy synthetic inputs.
Application Versatility
Effective across diverse mediums from traditional soil to hydroponic systems.
Yield Potential
Consistent microbial support drives larger harvests and more vigorous plant health.
Key Specs
Weight
9 lbs
Package Size
1 gallon
Fertilizer Form
Liquid Concentrate
Fertilizer Source
Natural
Target Plant Type
Vegetables, Flowers, Trees and Shrubs, Houseplants
Compatibility
Use in addition to ALL nutrient and fertilizer programs
Primary Benefit
Root Growth
Water Soluble
False
Pet Child Safe
False
Organic Certified
False
Know before you buy
Still have a question?
Ask Metto anything about the Photosynthesis Plus-O before you decide.