Coco Coir Brick Gro-Plus 5kg Premium 10 Pound Coir Block
Coco Coir Brick Gro-Plus 5kg Premium 10 Pound Coir Block is backordered and will ship as soon as it is back in stock.
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Coco Coir Brick Gro-Plus 5kg Premium 10 Pound Coir Block
Description
Description
Coco Coir Brick Gro-Plus 5kg Premium OMRI Organic Listed (10lb Block)
Triple-Washed, Low EC, Mushroom-Ready Growing Medium
This 5kg (10-pound) Premium Coco Coir Brick from Gro-Plus is the top choice for bulk substrate preparation, mushroom cultivation, and organic gardening. Triple-washed and 100% OMRI-certified organic, this coir block expands to over 20 gallons of fluffy, low-EC, pH-neutral medium—ideal for reliable, contaminant-resistant growth.
Whether you're growing mushrooms, vegetables, or houseplants, this brick delivers unmatched water retention, breathability, and structure. Naturally aged for enhanced moisture-holding capacity, it's trusted by growers seeking higher yields and healthier fruiting bodies.
Key Features:
- 5kg / 10 lbs compressed coir block expands to 20+ gallons when hydrated
- 100% natural & organic coir—OMRI listed, pH neutral, low EC, and triple-washed
- Naturally mold- and bacteria-resistant—perfect for mushroom cultivation
- Superior moisture retention leads to better harvests and larger fruits
- Versatile use: Ideal for bulk substrates, casing layers, gardening, hydroponics, and more
Choose the coir trusted by professional growers. Also available in wholesale pallets—check our Wholesale section for bulk deals.
Let customers speak for us
These little jars were great for turning spores into ready to use mycelium culture. I could see the spores germinating with in 4 days after I added spores. I can’t wait to use the mycelium when it’s ready!
5 grain spawn jars
Horse Manure Substrate
Cow Manure Substrate
Good stuff✌🏻
Good stuff i prefer the 5 pounders because then i have no left over substrate but for my bigger tubs the 7.5 lb bags are the answer
Just what we needed, worked great, and saved a little putting on our own injection ports
Fast shipping! I’m always satisfied with my purchases. I have been quite successful transferring the bags into a small monotub. Will continue to be a customer. NOT a paid review! 🙅🏻♂️
I was needing something with amuch smaller footprint the bigger tubs were getting in the way a lot. The only gripe I ever have is that the Midwest growkit systems always come with these weird detachable handles that look like something that a dog would like to chew up, or would be easy to misplace... Other than that love you guys, last month I got the Spore culture bottles 30 ml and expanded my pleurotus eryngii culture
It's awesome being able to do microscopy in mycology at home just because I'm weird.
Very easy to use and set up. Yield is as advertised. This is my new go to grow method.
Man I am excited greatly!!!!! Ahahahahhhaahahaha
New to Research, heard complaints of other Company's all-in-one bags getting Contaminated, many recommended Midwest. I know my process wasn't perfect and your bag made it to fruiting. Maxing out Strain size and shape, matching strain descripton and color. Ordered 5 more bags and 2 heating mats.
Ive ordered upwards of 50 bags of this substrate and only had 1 issue so its safe to say this is a quality product every bag has usherd in a succesful flush of my favorit strains so buy it
I’ve used several heating/seedling mats over the years and this beats them all. Great temperature adjustability. Like most heating mats a dish cloth between the mat and tub helps. A heavier full tub will run a little hotter than an empty/light tub. A great investment…especially if you live in colder climates
I love these for the value ! You cannot go wrong with these 32oz ready to use 5-grain jars. I’d make them myself but there’s a few ingredients, time for pasteurization and then equipment . Again ! VALUE! It’s here! Love em!
It's doing very well as is my spawn bag that inoculated a few days before them I'm excited to see how it all turns out.
Thank you all for making good products I'll recommend on the other folks.
I have 6 1/2 pint jars and all of them came unsterile ik there unsterile because I have a uvc light and a pressure cooker and they still came out contaminated my syringes I got are plyable too and still my stuff was contaminated I need another couple of jars
