🇨🇦 Ontario Stocked
Lab-Tested Every Batch
Factory-Direct Pricing
🇺🇸 Ships to USA
Coco Coir Mushroom Substrate Canada & USA | Avee Cocoseller
CA · US | Ontario Stocked · Ships Canada & USA
In Stock Now — Cambridge, Ontario Warehouse

Coco Coir forMushroom GrowingCanada & USA

CVG-Ready · No Sterilisation · 80% Air Porosity · 100% Organic

Avee Cocoseller supplies premium bulk coco coir bales to mushroom farms and cultivators across Canada and the USA — factory-direct wholesale pricing, same-week dispatch from Ontario.

Substrate Specifications
pH Range5.5 – 6.8
Air Porosity~80%
Water Retention8–9× weight
Pasteurise Only✓ No autoclave
Contaminant ResistanceHigh (lignin/cellulose)
CVG Ratio1:1 coir:vermiculite
Bale Compression5:1
Pasteurise-Only 100% Organic CVG-Ready Wholesale Canada & USA
20%Faster Colonisationvs straw substrate
80%Air PorosityOptimal for mycelium
5.5–6.8Ideal pHWorks for most species
100%OrganicNo additives or pathogens
24hrQuote ResponseCanada & USA growers

The Smarter Substrate for
Serious Mushroom Growers

01

No Sterilisation Needed — Ever

Coco coir's naturally high lignin and cellulose content acts as a barrier against bacterial and mould contamination. Unlike sawdust or grain-based substrates that require pressure sterilisation at 15 PSI for 2–3 hours, coir only needs pasteurisation at 160–180°F for 1–2 hours. No autoclave, no lab setup — just an oven or a hot water bath. For commercial operations, that means dramatically lower energy costs, faster batch turnaround, and fewer contamination losses per cycle.

02

Perfect Moisture & Air Balance

Mycelium needs two things in balance: consistent moisture and free air exchange. Coco coir delivers both simultaneously — holding 8–9× its own weight in water while maintaining ~80% air porosity. Most substrates force you to compromise between the two. CVG (coir + vermiculite + gypsum) lets you dial in field capacity precisely, giving mycelium the ideal environment to colonise fast and fruit productively without wet rot or dry spots killing your yield.

03

20% Faster Colonisation, More Flushes Per Year

The neutral pH of 5.5–6.8 is the sweet spot for nearly all cultivated mushroom species. Compared to straw or wood chip mixes, coco coir CVG substrates colonise up to 20% faster — meaning you reach your first flush sooner, and cycle through more grows per year. For a commercial operation running 52 production cycles annually, that speed advantage compounds significantly into higher output and revenue per fruiting room.

04

Scales from Hobby to Commercial — Economically

Small bags of pre-mixed CVG from retail suppliers cost 3–5× what bulk bale coir costs per litre of finished substrate. Our compressed bales expand 5:1, store compactly in a warehouse corner, and give commercial growers factory-direct per-unit economics that small-bag buying never can. Whether you're filling 10 monotubs or 500 commercial fruiting chambers per week, ordering by pallet or container locks in consistent quality and the lowest substrate cost per flush in the market.

Factory-Direct Supply
No middlemen — coir sourced direct from our own processing facility
Ontario Warehouse
Cambridge, ON — fastest transit to Eastern Canada & US Midwest
100% Organic & Clean
No synthetic additives, no pathogens — safe for certified organic farms
Same-Week Dispatch
Orders confirmed by Wednesday ship the same week — every time

How to Make CVG Substrate
with Avee Coco Coir Bales

1

Hydrate the Bale

Place your compressed coco coir bale in a large tub. Pour boiling or near-boiling water over it — approximately 4–5 litres per kg of dry bale weight. Allow 30–60 minutes to fully expand. Break up clumps and let cool slightly before mixing.

2

Mix CVG Ratio

Combine expanded coco coir and vermiculite in a 1:1 ratio by volume. Add approximately 1 tablespoon of agricultural gypsum per quart of dry vermiculite. Mix thoroughly until the coir and vermiculite are evenly distributed throughout.

Pro tip: Use coarse or medium vermiculite — fine grade compacts too densely and reduces the air porosity that makes CVG so effective for colonisation.
3

Check Field Capacity

Squeeze a firm handful of the mix. It should release only 1–2 drops of water. If it drips freely, add more dry vermiculite. If no drops at all, add a small amount of water and mix again. Getting this right is the most important step for contamination-free colonisation.

4

Pasteurise at 160–180°F

Load the substrate into an oven-safe tray, cover with foil, and pasteurise at 160–180°F (71–82°C) for 1–2 hours. No pressure cooker needed. Do not exceed 180°F — this can damage substrate structure. Alternatively, use a steam pasteuriser or hot water bath method.

5

Cool, Inoculate & Incubate

Cool completely to below 80°F (27°C) before adding spawn. Mix with mushroom spawn at your target ratio, pack into monotubs or fruiting containers, and incubate at species-appropriate temperature until fully colonised — typically 10–21 days.

Bale Yield Reference Guide

Approximate output per Avee compressed bale (dry weight basis)

Operation Size Bales Needed CVG Output
5 monotubs (66qt)½ bale~40 L
10 monotubs1 bale~80 L
25 monotubs2–3 bales~200 L
50 monotubs5 bales~400 L
10-chamber fruiting room3–4 bales~280 L
50-chamber commercial1 pallet~1,400 L
Large-scale / weeklyContainer orderContact us

Yields are approximate and vary by CVG ratio and layer depth. Contact us for a custom estimate.

Coco Coir vs Straw vs Sawdust
vs Peat Moss — Which Wins?

Feature Coco Coir (CVG) Straw Hardwood Sawdust Peat Moss
Sterilisation Required Pasteurise only ~ Pasteurise only Full sterilise (15 PSI) ~ Pasteurise only
Contamination Risk Very low High (wet bales) ~ Medium (if sterilised) ~ Low–medium
Air Porosity ~80% ~ 60–70% ~ 50–65% 40–55%
Water Retention 8–9× own weight ~ 3–4× own weight ~ 2–3× own weight 10–20× own weight
pH Suitability 5.5–6.8 (neutral) 6.0–7.0 ~ 4.5–5.5 (acidic) 3.5–5.0 (too acidic)
Colonisation Speed Fast ~ Medium ~ Medium–fast Slow
Consistency (batch-to-batch) Very high Variable High (if sterilised) ~ Medium
Bulk Wholesale Availability Bale / pallet / container Bale ~ Pellets / bags ~ Bale / bag
Organic / Additive-Free 100% natural Usually ~ Varies by source ~ Some additives common
Best For CVG, casing layer, all species Oyster mushrooms Shiitake, lion's mane Casing layer only

Works With Every Major Cultivated Species

Our coco coir's neutral pH and clean organic profile makes it the universal substrate base across all major gourmet and medicinal mushroom varieties grown in Canada and the USA.

Oyster CVG + straw mix
Shiitake CVG casing layer
Lion's Mane CVG substrate
Button & Portobello CVG casing
Reishi CVG bulk substrate
King Trumpet CVG substrate
Enoki Coir casing layer
Chestnut CVG substrate
Maitake CVG bulk substrate
Pioppino CVG casing layer

Bulk Coco Coir Built for
Mushroom Cultivators

Avee Cocoseller compressed coco coir bale mushroom substrate bulk
Best Seller

Compressed Coco Coir Bale

Our flagship substrate bale — the most economical format for CVG mixing and bulk monotub operations. Expands 5× with water, yielding large volumes of consistent, pathogen-free coir. Additive-free and ready to pasteurise straight from the bale.

pH 5.5–6.8 5:1 Compression 80% Air Porosity Pasteurise-Only Pallet Pricing 8–12 monotubs/bale
Get Wholesale Price
Fine grade loose coco coir pith for mushroom casing layer
Casing Layer

Fine Coir Pith — Casing Grade

Pre-expanded, ultra-fine coir pith specifically suited for use as a mushroom casing layer. Applied over fully colonised substrate to trigger pinning, maintain surface humidity, and protect against contamination at the critical fruiting stage. No hydration wait time.

Fine Grade Ready-to-Use Low EC Pin-Trigger Tested Bulk Bags
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Avee 50L loose coco coir bag commercial mushroom farm substrate
Commercial Volume

Pre-Expanded Loose Coir — 50L Bags

Built for large-scale commercial mushroom farms that need ready-to-mix substrate at volume and speed. Each 50L bag fills multiple fruiting chambers immediately — no hydration wait, no expansion time. Batch-consistent quality from a factory-direct supply chain with zero interruption risk.

50L Per Bag Pre-Expanded Zero Prep Time Batch Consistent Pallet Pricing
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From Bale to Flush
in Three Steps

1

Hydrate & Mix CVG

Expand the bale with boiling water. Combine 1:1 with vermiculite by volume, add gypsum, and mix to field capacity — substrate releases only 1–2 drops when squeezed. No special equipment needed. One bale produces enough CVG for 8–12 standard monotubs.

2

Pasteurise — No Autoclave

Pasteurise at 160–180°F (71–82°C) for 1–2 hours using an oven, steam tent, or hot water bath. No pressure cooker required. Coir's natural resistance to contamination makes this simple pasteurisation step fully sufficient — saving hours of sterilisation time per batch.

3

Inoculate & Fruit

Cool completely, mix with mushroom spawn at your target ratio, and pack into monotubs, bags, or fruiting chambers. Incubate at species-appropriate temperature until fully colonised, then fruit. Expect your first flush in 10–21 days depending on species and conditions.

Ontario Stocked.
Canada & USA Delivered.

Our Cambridge, Ontario warehouse sits at the centre of the Canada–USA supply corridor — giving mushroom farms in Ontario, Quebec, Michigan, New York, Ohio, and Pennsylvania faster delivery than any BC or West Coast supplier can offer.

We offer pallet and container-load pricing for commercial mushroom operations. Volume ordering dramatically reduces your per-bale cost and removes the inconsistency risk of buying from multiple retail sources. All quotes are delivered within 24 hours.

Wholesale accounts receive priority dispatch, repeat-order scheduling, and a direct line to our supply team — so your production cycles never stall waiting on substrate.

All Canadian Provinces
Ontario, BC, Alberta, Quebec, Nova Scotia & more
USA Midwest & Northeast
Michigan, NY, Ohio, Vermont, Pennsylvania, Illinois
Same-Week Dispatch
Confirm by Wednesday — ships same week, every week
Pallet & Container Loads
Factory-direct pricing for volume commercial orders

Common Questions from
Mushroom Growers

Can I use coco coir without sterilisation?
Yes. Coco coir's high lignin and cellulose content makes it naturally resistant to bacterial and mould contamination. Pasteurisation at 160–180°F for 1–2 hours is all you need. No autoclave, no pressure cooker — making it the most scalable substrate for commercial farms that need to process large volumes without expensive lab equipment.
What mushroom species grow best on coco coir?
Coco coir suits oyster, shiitake, lion's mane, button, portobello, king trumpet, reishi, enoki, maitake, and pioppino. In CVG form it works for most dung-loving species too. The neutral pH of 5.5–6.8 makes it compatible with the vast majority of gourmet and medicinal species cultivated commercially in Canada and the USA.
What is CVG and how do I make it?
CVG = coco coir + vermiculite + gypsum (1:1 ratio by volume, plus 1 tbsp gypsum per quart of vermiculite). Expand your bale with boiling water, mix with dry vermiculite and gypsum, pasteurise, then cool before inoculation. The mix should reach field capacity — releasing only 1–2 drops when firmly squeezed. One Avee bale makes CVG for 8–12 standard 66-quart monotubs.
How many bales do I need per monotub or fruiting room?
A standard 66-quart monotub needs ~650–700g dry coir for a 4–5 inch layer. One Avee bale covers 8–12 monotubs. A 10-chamber commercial fruiting room typically uses 3–4 bales per cycle. Contact us with your chamber dimensions and cycle frequency for a precise volume estimate and pallet pricing.
How does coco coir compare to straw for mushroom substrate?
Coco coir outperforms straw in contamination resistance, colonisation speed, and batch consistency. Straw requires chopping, produces variable results, and has higher contamination risk at scale. CVG coir colonises up to 20% faster than straw, handles pasteurisation reliably, and gives consistent quality from batch to batch — critical for commercial operations running multiple production cycles per week.
Do you ship to mushroom farms in the USA?
Yes. We ship from Cambridge, Ontario to mushroom cultivators across the USA — Michigan, New York, Ohio, Vermont, Pennsylvania, Illinois and beyond. Our Ontario warehouse delivers faster to the US Midwest and Northeast than most US West Coast bulk coir suppliers. Same-week dispatch is available for orders confirmed by Wednesday.
Is your coco coir safe for certified organic mushroom farms?
Yes. Our coir is 100% natural, additive-free, and pathogen-free — suitable for certified organic mushroom farming operations in Canada and the USA. If your operation requires specific data sheets or certification documentation, contact our team and we will provide them promptly.
What is the difference between coir pith and coir fibre for mushrooms?
Coir pith is the fine, spongy material — ideal for CVG substrate mixes and casing layers due to high water retention and fine texture. Coir fibre is the longer, coarser strand — better for mixing into denser substrates to improve air exchange. For CVG and casing layer applications, coir pith is the recommended grade. We supply both — contact us to specify your requirement.

Have a specific substrate or volume question?

Our supply team works directly with commercial mushroom farms across Canada and the USA. We'll help you size your order and get wholesale pricing fast.

Ready to Source Bulk Coco Coir
for Your Mushroom Operation?

Factory-direct wholesale pricing. Same-week dispatch from Ontario. Consistent quality, batch after batch. Ships across Canada and the USA. Get your quote in 24 hours.

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