Paddy Poo Sterilized Substrate
Best manure-based substrate for intermediate to experienced mushroom cultivators.
Elevate your mushroom cultivation with Paddy Poo™ Sterilized Substrate from Pacific Substrates. This premium, manure-based mix is specifically formulated for manure-loving mushroom varieties, offering an optimized environment for robust fruiting. Pre-hydrated and ready for immediate use, it simplifies the growing process for intermediate to experienced cultivators. Packaged in a sterile XLS-T grow bag with a 0.2 µm filter for optimal gas exchange, this substrate ensures a clean and efficient growing experience. Pair it with colonized grain spawn for impressive results.
$25.00
Owner Satisfaction
4.7
/ 5
Category Rank
11
/ 1247
#11 in Soil
Price vs Category Average
-51%
Below average
Net Contents
33.2
/ L ( QT)
Who it's for
- Busy hobbyists wanting to skip tedious preparation steps
- Cultivators prioritizing high success rates and contamination-free environments
- Growers seeking maximum yields through nutrient-dense formulations
Who should skip it
- Budget-conscious growers managing large-scale operations
- Advanced mycologists requiring precise control over moisture levels
- Remote buyers concerned about shipping costs and package integrity
Performance breakdown
Sterility Assurance
Professional-grade sterilization protocols minimize contamination risks for delicate mycelium networks.
Nutrient Density
A potent blend of manure and castings fuels aggressive, high-yield fruiting.
Hydration Precision
Perfectly dialed field capacity eliminates the guesswork of manual moisture adjustment.
Gas Exchange Efficiency
The 0.2 µm filter provides essential airflow while maintaining a sterile barrier.
Workflow Convenience
Ready-to-use packaging significantly reduces prep time for busy mushroom cultivators.
Substrate Versatility
Optimized for both monotubs and bags, offering flexibility for various setups.
Key Specs
Net Contents
3 L (3.2 QT)
Ingredients
Coco coir, aged manure, worm castings, vermiculite, gypsum, lime
Grow Bag Type
XLS-T with 0.2 µm filter
Condition
At field capacity and ready to use
Recommended Ratio
2:1 substrate to spawn ratio
Guarantee Period
6 months money back guarantee
Growing Method
Soil
Intended Location
Indoor
Features
- Manure-based mix for manure-loving mushrooms
- Sterilized and ready for immediate use
- Optimized for fruiting performance
- Includes sterile gas exchange filter
- Ideal for bags or monotubs
- Rich blend of coco coir, manure, and castings
- Designed for intermediate to experienced growers
- Backed by a 6-month money-back guarantee
What customers say
The consensus highlights exceptional quality and reliability as the defining features of Paddy Poo substrate. Consumers consistently report successful colonization and remarkably low contamination rates, confirming the effectiveness of the sterilization process. This dependable performance translates directly into superior ease of use, making the product a favorite among both novice and experienced cultivators. The premium price is widely accepted given the consistent, high quality results and convenience.
Know before you buy
Paddy Poo is specifically formulated for manure-loving mushroom species. It provides the nutrient-dense environment required for robust fruiting in varieties that thrive on dung-based media.
No, the substrate arrives pre-hydrated at field capacity. It is ready for immediate use straight out of the bag, saving you the time and potential contamination risks associated with manual preparation.
For optimal colonization and fruiting performance, we recommend a 2:1 ratio of substrate to colonized grain spawn.
Yes, Paddy Poo is highly versatile and works effectively in both the provided XLS-T grow bags and standard monotub setups.
The integrated 0.2 µm filter allows for necessary gas exchange while maintaining a sterile environment. This prevents airborne contaminants from entering the bag while ensuring your mycelium receives the oxygen it needs to thrive.
While the product is designed to simplify the process, it is best suited for intermediate to experienced cultivators who are already familiar with sterile technique and the specific needs of manure-loving mushroom varieties.
Still have a question?
Ask Hayley anything about this product before you decide.