Jack's RO
Best nutrient solution for growers using purified or low-alkalinity water.
This one-part blend solves the headache of using pure water by stabilizing pH levels that typically crash in reverse osmosis systems. It trades the complexity of multi-part nutrient mixing for a streamlined, reliable formula that keeps your plants thriving without the constant monitoring.
$65.00
at
CapCityHydro (Capital City Organics)
Who it's for
- Busy gardeners seeking a streamlined, all-in-one feeding schedule
- Hydroponic growers using reverse osmosis or soft water systems
- Commercial growers prioritizing clean, clog-free irrigation lines
Who should skip it
- Budget-conscious hobbyists looking for entry-level fertilizer options
- Gardeners relying on hard tap water sources
- Advanced growers needing precise control over flowering nutrient ratios
Performance breakdown
Water Compatibility
Engineered specifically to stabilize low-alkalinity water sources like RO and rainwater.
Mixing Simplicity
One-part formula eliminates the complexity of multi-part nutrient blending.
pH Stability
Actively prevents dangerous pH crashes common in sensitive water environments.
Nutrient Precision
Synthetic composition ensures consistent, reliable delivery of essential plant minerals.
Application Versatility
Effective across a wide range of vegetables, flowers, and indoor plants.
Bulk Efficiency
The 25 lb. bag offers substantial value for high-volume growing operations.
Key Specs
NPK Ratio
12-4-16
Package Weight
25 lb.
Fertilizer Form
Granular
Release Type
Slow Release
Intended Water Type
Low alkalinity (RO, rainwater, distilled)
Nitrogen Percent
12%
Phosphorus Percent
4%
Potassium Percent
16%
Fertilizer Source
Synthetic
Plant Type Application
Lawn, Vegetables, Flowers, Trees & Shrubs, Indoor Plants
Know before you buy
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Ask Metto anything about the Jack's RO before you decide.
