What is Masters Mix and why is it popular for gourmet mushrooms?

Masters Mix is a 50 50 blend of oak hardwood and soy hulls. It provides both structure and nutrition, so mycelium colonizes fast and fruits heavily. Pellet form makes it simple to hydrate and measure consistently across batches.

Do I need to add supplements to Fast Fruiting Pellets?

Fast Fruiting Pellets already include the soy plus hardwood ratio most hardwood loving species want. Many growers add nothing else. If you want to experiment, small amounts of wheat bran can boost yield, but too much can raise contamination risk.

Which mushrooms grow best on oak based substrates?

Oak substrates are ideal for wood loving gourmet species like oyster, lions mane, shiitake, reishi, and pioppino. Oak provides a steady lignin and cellulose food source that supports dense fruiting blocks and multiple flushes.

When should I choose straight soy hull pellets instead of a blend?

Straight soy hull pellets are best as a nitrogen rich supplement you mix with hardwood to form your own Masters Mix. They are also useful when you have local hardwood but need a consistent high nutrition add in pellet form.

Are straw pellets good for indoor gourmet mushroom farming?

Yes, straw pellets are a solid choice for oyster and other straw friendly species. Pellets rehydrate evenly, pasteurize well, and reduce chopping and dust. They are often used for bucket grows or smaller indoor production runs.

How does a bag shaker help a growing farm?

A bag shaker breaks up spawn and mixes substrate evenly in seconds. That improves colonization consistency, reduces manual strain, and cuts labor time. It is especially helpful once you are running multiple batches each week.

Why use a flow hood for inoculation?

A flow hood pushes hepa filtered clean air across your work area. That keeps airborne spores and bacteria off your grain and substrate during inoculation. Cleaner starts mean fewer lost blocks and more predictable harvest schedules.

Substrate Calculators

These free calculators are provided to help farmers estimate the amount of substrate pellets they will need for various mushroom substrates. We are starting with the two most popular the Special Fruiting Mix, and the Fast Fruiting Mix.

These calculators are based on the standard formula that calls for 60% moister content on average. Enter in the size of your grow block, and the amount of blocks you want to make and they will let you know the pounds of pellets to order. Just reload the page if you want to calculate weekly, and monthly amounts. The more you ship at one time the lower the cost of shipping once you ship by the pallet.

Special Fruiting Mix Calculator

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Special Fruiting Mix Calculator

80% Oak Hardwood & 20% Wheat Bran Pellet Mix

This calculator assumes 60% water weight in the finished block, since the pellets expand when hydrated. You will need 0.4 lbs of Special Fruiting Mix pellets for every 1 lb of finished substrate.

Finished Block Size (lbs) The total weight of each hydrated block or bag

Please enter a block size greater than zero.

Number of Blocks or Bags How many blocks you plan to produce

Please enter at least 1 block or bag.

Your Substrate Requirements

Finished Block Size

Number of Blocks

Total Finished Substrate

Water Weight (60%)

Special Fruiting Mix Needed

Fast Fruiting Mix Calculator

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Fast Fruiting Mix Calculator

50/50 Oak & Soy Hull Pellet Mix

Substrate Block Size (lbs) The finished weight of each block or bag

Please enter a block size greater than zero.

Number of Blocks or Bags How many blocks you plan to make

Please enter at least 1 block or bag.

Your Substrate Requirements

Block Size

Number of Blocks

Total Finished Substrate

Fast Fruiting Mix Needed

These tools are intended to make ordering easier. Your in-house substrate formula may vary based on a number of factors. The variety of mushrooms you grow, location, and desired moister content can change these estimated numbers.