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🌿 Grow smarter, not harder — your plants deserve the organic edge!
Riare’s 2-pack Organic Coco Coir Bricks deliver a premium, eco-friendly growing medium made from 100% natural coconut fibers. Each compact brick (8x4x2 inches, 1.4 lbs) expands to 4 gallons of moisture-retentive, breathable soil perfect for seed starting, potting, and composting. With balanced pH and low electrical conductivity, these bricks promote healthy root development while preventing overwatering and root rot. Versatile and sustainable, they’re a must-have for millennial gardeners seeking efficient, organic solutions that save water, time, and money.













| ASIN | B0BCYMMBR1 |
| Best Sellers Rank | #2,103 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #44 in Garden Soil |
| Brand | Riare |
| Brand Name | Riare |
| Customer Reviews | 4.6 out of 5 stars 1,180 Reviews |
| Item Highlight | High Expansion & Moisture Retention Coconut Husk Fiber for Seed Starting, Potting Mix, Composting, Soil Amendment & Reptiles Item Highlight High Expansion & Moisture Retention Coconut Husk Fiber for Seed Starting, Potting Mix, Composting, Soil Amendment & Reptiles See more |
| Item Weight | 1.4 pounds |
| Manufacturer | Riare |
| Manufacturer Part Number | Organische Kokosfaser |
| Model Number | Organische Kokosfaser |
| Number of Packs | 2 |
| Style | Brick,Coco Coir,Garden,Peat Moss,Potting |
| Style Name | Brick,Coco Coir,Garden,Peat Moss,Potting |
| UPC | 738812215045 |
| Unit Count | 2 Count |
| Volume | 4 gallons |
G**S
Not quite 1.4lbs per brick, but still a very good product!
2023-11-06. Organic coco coir soil blocks by Riare. Natural compressed. Organic. Low EC. Balanced pH. High expansion. 8pcs. Coco brown. So what is Coconut Coir? Well coconut coir is the fibrous material between the outer husk of a coconut to the inner hard shell (aka the seed coat) that protects the fruit. Like the fruit, the coir fibers matures. When the coir fiber is young, it's white in color and more flexible. As it matures, it changes from white to brown and becomes less flexible. Brown coir is stronger than white coir. Coconut coir has become increasingly popular in the last couple of decades as are now in a wide range of textile products from clothing to bed linens. Coir has also become increasingly popular with planting and gardening, and for good reason, they have a host of benefits! Benefits of coconut coir for planting and gardening include: 1) Retaining moisture. Coconut coir is every effective at retaining water, and can absorb up to 10 times it's weight in water. 2) Insect neutral. Most garden and plant pests do not enjoy settling in coconut coir, adding an additional layer of defense for your plants. 3) Environmentally safe. Although I'm a fan of using Sphagnum Peat Moss in the garden, there's no denying the environmental concerns peat moss poses when it breaks down over time. Unlike peat moss, coconut coir can be used more than once. 4) Renewable resource. Peat moss comes from peat bogs, which are a limited resource. Coconut coir comes from coconuts, and is actually a waste product of the fruit. Coconut trees are also a renewable resource. Repurposing a product from a renewable resource is never a bad thing... However; along with the benefits, coconut coir does have some downsides as well: a) Coconut coir is inert. This means that it contains little to no nutrients (nitrogen, phosphorus, potassium or NPK) within it. While it has beneficial properties, it will not help your plants flourish. b) In addition to low NPK levels, you may find that your plants are also low on Calcium and Magnesium. To make these coir bricks more effective, you will need to supplement them with nutrients. This is simple enough to do, just mix the nutrients into the soil after the coir has been rehydrated. Alternatively, you can dissolve the nutrients into the hot water you use to rehydrate each brick. Nutrients you will want to add may include calcium, nitrogen, phosphate, potash, iron, zinc, and manganese. With the lesson on coconut coir complete, let's talk a bit about these coconut coir bricks by Riare. Each brick is about 2" x 4" x 8" and weight about 1 1/3lb (~600g) by my measurements. Rehydration is super easy, just add a gallon of hot tap water. I do need to warn you though, the claim is that it will expand to 8 times its size... and they're not kidding! Using a 9 gallon recycling box, the one brick filled about 2/3 of the bin! I went with the recycling box because of the dimensions. Wanting to add nutrients into the mix, I wanted something with a large opening. The recycling bin measured about 18"W x 10"D x 14"H, so I had plenty of room to work the nutrients into the mixture and break it down to ensure there were no big chunks. In doing so, it also introduces carbon, nitrogen, oxygen and hydrogen into the mixture. NOTE: Riare fully disclosed that this coir is without nutrients as all coir is; however, they did it discretely. In the product header they mention "LOW EC". EC stands for Electrical Conductivity, which essentially means that it has low salt content levels. This is most likely caused by the cleaning and compacting process. Low EC also translates to low nutrient levels. Overall, the coir worked out great for me. Having to have to add my own nutrients isn't the worse thing that can happen, after all, it allowed me to customize what I add. In the dehydrated and compacted form, these bricks take up very little space and are nice and light so they're easily transportable. At $3 a brick when you buy the 8 pack, this coco coir by Riare is economical, environmentally responsible, and makes a great peat substrate (base layer) for your plants or garden! FYI: One brick is enough to fill 6 sq ft of space with a 2" covering.
A**I
Buy this and never buy bagged dirt again
I should check how many times I have bought this, but I think it’s getting close to 10 times in the last six months. I am obsessed with this stuff. I am a huge gardener, but I was so sick of buying giant bags of dirt and lugging them all over the place and feeling like they barely covered any square footage until I would have to go back to the store and do it again. Then I even had bags of dirt delivered to my house from Amazon thinking it would help my issue. Still not worth it. Finally I bought this stuff. I am never looking back or using traditional bagged dirt again. I take it out in my backyard and I use the giant cardboard box that it gets sent in, I unwrap the dirt, put it in the cardboard box and then just use my hose to totally saturate the brick of dirt. It expands within the cardboard box, and then I have this big box of dirt to use all over my yard. Eventually, the box starts to deteriorate, and I just throw it in the dumpster. And not only have I been able to completely revitalize my garden using this, it’s just so much more convenient and easy and inexpensive. And the dirt is so nice! It feels great on your hands and the plants love it. You could mix perlite into it if you wanted to, but I don’t and my plants still do great. The dirt get too compacted because it’s not actually dirt - it’s coco coir and roots spread through it like butter. I use it as a ground cover in lots of areas where I’m trying to grow a creeping ground cover, and the deep Rich Brown of the dirt just looks absolutely beautiful. Buy this stuff!
M**N
Love this so much!!!
I wasn’t sure what to expect but I absolutely love these. It’s fascinating and fun to see how it expands and everything seems to grow so well I love the feel of it. One of the most impressive products of come across in years. I’ll be buying these forever and ever when I need.
S**0
Good for mushroom growing
Used solely as a mushroom substrate and it worked fantastic. Clean, neutral pH, zero salt, and no contamination after inoculation. It took a while to break apart during pasteurization, however. A lot of mushroom growers worry about additional microbes added to some coco coir brands but this one has passed my test after several successful tubs. It holds moisture very well and would be excellent for soil amendment as well. Overall, I feel this is a great product.
P**S
Coco coir Bricks
Great product
M**️
Convenient
This is the coolest stuff! Great additive to potting soil or right into the ground! So convenient to have it shipped right to my house and reconstitute myself.
O**L
Perfect for seed starting soil base
I used this as a base for my seed starting soil and it was perfect! My first time making my own soil and I have never had such a successful year!
V**N
Easy to use and very convenient
I will be purchasing more. I love how it’s very easy to use in planters. My plants are growing in fact I’m getting flower on one of them. I recommend this product. It’s worth the money.
S**V
great value compost additive
great for mixing through your compost , very easy to use just add water leave to absorb , breaks up very easy with your hands
K**S
Fair pricing and discteteness
Excellent stuff highly recommend and Discrete delivery for your adventures
D**N
Good stuff
Very good for hanging baskets
A**E
👍
👍
N**M
Perfekt
Super. Den nächsten Tag geliefert. Sehr schnelles aufsaugen des Wassers und sehr gute Qualität.
Trustpilot
2 months ago
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