Chopped Wheat Straw Mushroom Substrate – 10 lb

Description

Chopped Wheat Straw Mushroom Substrate – Chopped to 1-2 inches, which is what makes straw pasteurise evenly and hold together in a bag instead of springing open.

Chopped Wheat Straw Mushroom Substrate: what you get

Chopped Wheat Straw Mushroom Substrate arrives as 10 lb, as the listing states it. Variations are sold as sealed or packed so it survives a courier, not just a shelf.

• 10 lb, as the listing states it
• sealed or packed so it survives a courier, not just a shelf
• the same photograph as the listing, so you know what arrives

How to use chopped wheat straw mushroom substrate

Nothing about chopped wheat straw mushroom substrate is difficult, and almost every failed grow we hear about breaks at one of four points: moisture, temperature swings, still air being taken for clean air, and opening things too early. These four steps cover chopped wheat straw mushroom substrate in any shop-bought setup.

1. Hydrate to field capacity: a handful squeezed hard should show moisture between the knuckles but not drip.
2. Pasteurise straw and manure-free mixes at 60-80 C for 1-2 hours, or sterilise supplemented mixes at 15 PSI for 2.5 hours.
3. Drain to the correct moisture before you inoculate – free water in the bottom of a bag is the classic contamination route.
4. Inoculate while the substrate is still warm for grain spawn, or fully cool for liquid, and shake so spawn sits through the mass, not on top.

Storage and handling

Store cool and out of direct light. A hallway cupboard beats a greenhouse shelf for keeping a pack predictable between orders.

Common questions

Pasteurise or sterilise straw?

Pasteurise. Straw is a bulk substrate and 1-2 hours at 140-160°F in a drum or cooler is enough to knock back competitors while leaving the straw edible to oysters. Sterilising straw is usually a waste of fuel.

Which mushrooms do well on straw?

Blue, pink and golden oyster, and wine cap in outdoor beds. Lion’s mane and shiitake do not; they want the supplemented sawdust mixes.

Can I use straw from a farm or garden centre directly?

Only if you know it was not sprayed or treated, and you are willing to accept variable results. Molded or ammonia-smelling bale straw will not save you time.

Usually ordered with Master’s Mix Prepared Mushroom Substrate – 40 lb Bulk Bag and Hardwood Fuel Pellets for Mushroom Substrate – 40 lb. The substrate archive covers mixes, hydration and the pasteurise-versus-sterilise decision. Mushroom Substrate. Reviews are not enabled on the shop, so the honest answers are in the FAQ above. For the technique side we keep FreshCap on substrates open while writing these pages, and the sanitation notes for the consumables follow the FDA Food Code.

Chopped, not a baled handful: length matters more with straw than anything else in this category. Long straw leaves air pockets that colonise unevenly; dust is a lung problem and a soggy mat. This is the middle ground, and the cheapest bulk substrate we sell per pound of mushrooms.

What is in the box

• Chopped to 1-2 inches, which is what makes straw pasteurise evenly and hold together in a bag instead of springing open
• Dry and shelf-stable: store it closed, off a concrete floor, and out of the sun so it does not sour or take on mould before you use it
• Sized for home growers – 10 lb dry makes roughly 30-34 lb hydrated – enough for six 5 lb bags
• No spawn or bags included; this is the raw material tier

How it works

1. Rehydrate to field capacity: damp and heavy, with a few drops escaping when you squeeze a handful hard, not a stream.
2. Pasteurise for straw and litter-based mixes (140-160°F for an hour or two) or sterilise supplemented sawdust blends at 15 PSI for 2-2.5 hours per 5 lb bag.
3. Cool before inoculating, then mix spawn through evenly and bag or bed immediately.

What to expect from this grow

Substrate quality is the variable most home growers skip. Wet it properly, drain it properly, and do not let a batch sit in a warm bucket overnight before you sterilise it.

Specification

Product type	Mushroom substrate
Stage	Substrate and amendments
Size	10 lb, 1-2 inch chop
Shipped weight	10.5 lb
Package size	18 × 12 × 6 inches
SKU	MGS-0035

Part of our Mushroom Substrate range. Questions about this product? Email [email protected] or call +1 970-909-8532.