Roots Organics Super Phos Bat Guano 55 lb
Best natural phosphorus booster for experienced organic gardeners.
Roots Organics Super Phos Bat Guano is a potent, all-natural fertilizer crafted from 100% natural bat guano, sourced from select caves. This formula is exceptionally rich in phosphorus and calcium, featuring an NPK ratio of 1-14-0. It's harvested using bat-friendly methods, ensuring responsible sourcing. Its powerful, fast-acting nature makes it ideal for plants needing a significant phosphorus boost, though it should be applied carefully and sparingly for optimal garden results.
$79.80
Owner Satisfaction
4.7
/ 5
Category Rank
50
/ 4425
#50 in Fertilizers
Price vs Category Average
+29%
Above average
NPK Ratio
1140
/ --
Who it's for
- Busy cultivators needing low-maintenance, long-lasting nutrient delivery
- Gardeners aiming for maximum flower and fruit yields
- Organic growers prioritizing natural soil health and sustainability
Who should skip it
- Small-scale hobbyists with limited storage and budget constraints
- Novice growers lacking experience in balancing complex nutrient ratios
- Indoor gardeners sensitive to strong odors and dusty materials
Performance breakdown
Phosphorus Potency
Delivers a concentrated nutrient punch for explosive bloom development.
Organic Integrity
OMRI listing ensures strict adherence to high-quality organic standards.
Application Precision
High potency requires careful measurement to avoid potential nutrient burn.
Nutrient Availability
Quick-release formula provides plants with immediate access to essential minerals.
Sourcing Ethics
Bat-friendly harvesting practices prioritize ecological health and animal welfare.
Soil Integration
Granular texture blends seamlessly into soil for consistent nutrient distribution.
Key Specs
NPK Ratio
1-14-0
Package Weight
55 lb
Fertilizer Type
Bat Guano
Fertilizer Source
Organic, Natural
Water Soluble
False
Pet Child Safe
False
SKU
ROSP55
UPC
799493712308
Features
- Delivers a powerful boost of phosphorus and calcium
- Fast-acting formula for immediate nutrient availability
- Made from 100% natural bat guano
- Harvested using bat-friendly methods
- Provides essential nutrients for plant growth
- Requires careful and sparing application
What customers say
Gardeners consistently report dramatic improvements in bloom size and plant vigor with this Super Phos Bat Guano. Its high phosphorus content delivers reliable, measurable results, making it a favorite for serious growers. While the initial cost is higher than synthetic options, users find the superior organic performance justifies the investment. This guano offers strong value for maximizing yields, confirming its exceptional quality and potency for the flowering phase.
Know before you buy
This fertilizer is specifically designed to provide a concentrated boost of phosphorus and calcium. It is ideal for plants that require significant phosphorus support to improve their overall health and development.
Because this formula is fast-acting and potent, it should be used sparingly. We recommend starting with small amounts and monitoring your plants' reactions to avoid over-fertilization.
No, this bat guano is not water-soluble. It is intended to be mixed directly into your soil or growing medium rather than dissolved in a liquid nutrient solution.
Yes, Roots Organics sources this product using bat-friendly methods. The guano is collected from select caves in a way that ensures the welfare of the bat colonies is prioritized.
No, this product is not considered pet or child safe. It should be stored securely and handled with care to prevent accidental ingestion or contact.
The NPK ratio indicates that this fertilizer is very low in nitrogen, extremely high in phosphorus, and contains no potassium. It is specifically formulated to support flowering and fruiting stages rather than vegetative growth.
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