RootPrime - Coco Coir Brick
SHIPPING INFORMATION
How do I track my order?
You will receive an order confirmation immediately after your purchase, then we will send you a tracking number for your order. You can also reach out to our customer support at support@jstonewell.com for any questions you may have.
How long does it take for the order to arrive?
Once shipped, your order should arrive within 3 to 8 days. We will send you an email confirmation as soon as your order ships to keep you updated. Feel free to email us to check on your order status at any time. We're happy to help
OUR GUARANTEE
If for any reason you are dissatisfied with your purchase, we'll make it right. We believe that our customers deserve the absolute best value without sacrificing superior quality, and your satisfaction is our #1 priority.
If it doesn't work for you or you just don't like, return it. Within 30 days of receipt, products purchased from JStonewell may be returned for any reason.
Grow More With Less Guesswork
Starting healthy plants gets easier when your growing medium works with you—not against you. This compressed Coco Coir Brick expands into fluffy, moisture-friendly growing media that helps support stronger root development while keeping your setup clean, lightweight, and easy to manage.
Whether you're starting seedlings, repotting houseplants, or building a hydroponic setup, this coco coir brick gives you a simple, low-mess way to create an ideal growing environment.

What It Is
This is an 11 lb compressed coco coir brick made from natural coconut fiber. Once hydrated, it expands into approximately 65–70 liters of loose growing media that can be used on its own or mixed with soil and other planting substrates.
It’s designed for growers who want better moisture balance, improved aeration, and easier root support without hauling around heavy bags of potting mix.
Why This One Stands Out
Not all coco coir is processed the same. This brick is designed for growers who want a cleaner, more reliable growing medium that’s ready to expand fast and work across multiple growing setups.
- Compressed for easy storage — Stores compactly until you’re ready to use it
- Expands quickly with water — Turns into loose, workable coir in minutes
- pH balanced — Helps simplify planting and transplanting
- Low EC formula — Better suited for controlled growing environments
- Versatile growing use — Great for seed starting, hydroponics, raised beds, containers, and indoor plants
- Less mess than heavy soil bags — Easier to move, store, and handle

Key Benefits
- Helps retain moisture while still allowing airflow around roots
- Creates a loose, easy-to-work planting texture
- Ideal for indoor and outdoor growing projects
- Works well for seedlings, herbs, vegetables, flowers, and houseplants
- Lightweight compressed format saves storage space
- Simple hydration process with fast expansion
Easy to Prep
Just place the brick in a large container, add water, and allow it to expand. The compressed coir quickly breaks apart into soft growing media that’s ready for planting, mixing, or transplanting.
One brick expands into enough material for multiple planting projects, making it a practical option for home growers and hobby gardeners alike.

Ideal For
- Seed starting trays
- Indoor plant care
- Hydroponic growing systems
- Raised garden beds
- Container gardening
- Mixing into existing potting blends
- Greenhouse and propagation setups
Grow With Confidence
Whether you’re planting your first seedlings or managing a full grow setup, this coco coir brick gives you a clean, easy-to-store growing medium that’s simple to prepare and versatile enough for nearly any planting project.
Ready to Upgrade Your Growing Setup?
Add the Coco Coir Brick to your garden essentials today and create a better foundation for healthy, thriving plants.