Description
Coconut Coir Bricks for Plants, Coco Coir Brick Seed Starting Mix, Soil Conditioner
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One brick, a full pot of soil: each block expands into up to 338.1 fl oz / 2.6 gallons of growing medium
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Roots that never dry out: it absorbs up to 10x more water than other growing mediums
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No guessing on pH: it's naturally low-EC and pH-balanced right out of the package
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Small enough to tuck on a shelf: at 1.4lbs per block it's easy to store until you need it
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Use it again and again: mix it with soil and reuse it indefinitely as a nutrient-rich base
A bag of heavy, bulky potting soil takes up half a shelf before you've planted a single seed. These coconut coir bricks for plants start out compressed and lightweight, and once you add water they expand into a rich, airy growing medium used as a hydroponic growing medium for seed starting, container gardening, or general soil conditioning. It's naturally low in salt and pH-balanced, so there's nothing to mix or measure before you plant.
Made from 100% natural coconut shell fiber with a salt content as low as 0.12%, one compact coco coir brick expands into 8-10L / 2.1-2.6 gallons of soil once it's soaked. Let it sit in water for 10-15 minutes, then fluff it up, and it's ready as a soil conditioner for flowers, succulents, vegetables, herbs, potting, vermicomposting, a reptile hotbed, or planting bags.
Why choose Fewpe
Coconut Coir Brick
| Feature |
Fewpe |
Others |
| One brick expands to 338.1 fl oz of soil |
✓ |
Loose bags |
| Absorbs up to 10x more water |
✓ |
✕ |
| Low EC, pH-balanced out of the pack |
✓ |
Varies |
| Compact 1.4lbs block to store |
✓ |
Bulky bags |
| Reusable indefinitely with fresh soil |
✓ |
One-time use |
| 30-day easy returns |
✓ |
Varies |
Key Features
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High Yield Per Brick: one brick can produce up to 10 liters / 2.6 gallons of growing soil.
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100% Coconut Fiber: made entirely from natural coconut fiber for a nutrient-rich base.
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Low EC, pH-Balanced: it's low in salt and pH-balanced right out of the pack, and it's reusable.
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Improves Soil: helps plant growth and holds onto moisture, keeping roots consistently damp.
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Compact Storage: at 1.4lbs/650g per block, it's easy to use and store until needed.
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Thirstier Than Most: roots pull in up to 10 times more water compared with other growing mediums, so they never dry out.
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Mix and Reuse: blend it back into soil and use the same medium again and again as a nutrient-rich base for plants.
Specifications
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Material: Coconut fiber
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Water absorption: 100 (%)
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PH value: 5-6
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Weight: 1.4lbs/650g
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Size: 20*10*5cm/7.87*3.94*1.87in
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Water added: 3 L/0.8gallon per brick
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Expansion volume: 8-10 L/2.1-2.6gallons
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Salt content: 0.12%
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Rehydration time: 10-15 mins
Package Includes:
- 1 x Compressed Coconut Coir Brick
How to Use
- Add water to the compressed brick.
- Let it sit for 10-15 minutes.
- Fluff it up for use.
Applications
It works as a growing medium for a wide range of plants — flowers, succulents, vegetables, herbs, and more — and it's also used for potting, vermicomposting, a reptile hotbed, flower beds, and planting bags.
Notes
Each brick expands to several times its size once you add water, so rehydrate it in a large container rather than a small one. Because coconut bricks are naturally low in plant nutrients, pairing the medium with a nutrient soil or nutrient solution is recommended, and when you mix in the water, start slowly so you land on the consistency you want.
Right for you if
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✓You're short on shelf space for potting soil — one compressed brick expands to 338.1 fl oz / 2.6 gallons
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✓Your seedlings keep drying out between waterings — it absorbs up to 10x more water, so roots stay hydrated
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✓You're setting up a hydroponic or seed-starting tray — it's a ready-made hydroponic growing medium
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✓You want to reuse your growing medium next season — it mixes with soil and reuses indefinitely
If two or more of these sound like you, this is the one.
FAQs
Q: How much soil does one brick make?
A: Each compressed brick expands into 270.5-338.1 fl oz (8-10 liters), or about 2.1-2.6 gallons, of loose growing medium once it's fully hydrated.
Q: How long does it take to rehydrate?
A: About 10-15 minutes after adding roughly 3 liters (0.8 gallons) of water per brick, then fluff it up before use.
Q: Does it hold moisture well for seedlings?
A: Yes, it absorbs up to 10x more water than other growing mediums, so roots stay hydrated instead of drying out.
Q: Can I reuse it after the first planting?
A: Yes, it can be mixed with soil and reused indefinitely as a nutrient-rich base for future plantings.
Q: What plants is it suited for?
A: Flowers, succulents, vegetables, and herbs all grow well in it, and it also works for potting, vermicomposting, and planting bags.
