Catalyst Craft Compost
Best microbial amendment for organic gardeners seeking to restore soil health.
This is living soil biology in a bag, packed with the microscopic diversity most store-bought fertilizers lack. It requires a bit more intentionality to apply than standard pellets, but it’s the fastest way to jumpstart a tired garden’s ecosystem and build genuine, long-term fertility.
$24.99
at
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Who it's for
- Plant enthusiasts needing a versatile, multi-purpose soil amendment
- Gardeners seeking to revitalize depleted or compacted soil
- Organic growers prioritizing chemical-free, safe garden inputs
Who should skip it
- Gardeners with physical limitations or mobility concerns
- Budget-conscious gardeners shopping for high-volume bulk options
- Shoppers living in areas outside of local distribution networks
Performance breakdown
Microbial Diversity
Comprehensive biological profile supports a thriving, complex soil food web.
Feedstock Purity
Clean sourcing eliminates risks from biosolids and industrial waste contaminants.
Brewing Versatility
Fine texture makes it an ideal base for potent compost teas.
Nutrient Availability
Slow-release formula provides steady, long-term nourishment for developing root systems.
Application Ease
Consistent, fine consistency allows for effortless top-dressing and soil integration.
Pathogen Safety
Rigorous windrow monitoring ensures a stable, pathogen-free amendment for organic gardens.
Key Specs
Feedstock
Clean hay, manure, wood chips
Excludes
Green waste, biosolids, industrial byproducts
Microbial analysis includes bacteria, fungi, protozoa, and nematodes
Weight
10.0 pounds
Volume
0.25 cubic feet
Compost Form
Fine
Nutrient Focus
Balanced
Odor Level
Low Odor
Packaging Type
Bag
Nutrient Release Rate
Slow Release
Know before you buy
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Ask Metto anything about the Catalyst Craft Compost before you decide.