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.

Special Fruiting Mix

This popular new mix is ideal for many varieties of mushrooms that require a slower growth rate.

Special Fruiting Mix Pellets are designed to provide a great nutritional makeup for varieties with a longer colonization and overall growth cycle. Comprising 80% Oak and 20% Organic Wheat Bran, these pellets are blended and compressed into an easy-to-use form. This mixture provides an optimal growing medium for Shiitake, Maitaka, Reishi, and more. Pelletized simplifies labor and measurements typically involved in mixing sawdust and wheat bran or wheat midds.

When crafting your ideal substrate mix for many slow fruiting species, the two essential ingredients are 100% Red Oak Sawdust and Wheat Bran. These pellets offer a convenient alternative, being easier to handle, transport, mix, and measure than loose b. They also break down rapidly when water is added.

Flow Rat Model XS Nomad Replacement Filter (Previous Design) - Includes Plastic Spacer for new filter in previous unit

Store/Lab Rat Supplies/Lab Rat Flow Hoods

Product Details

NOTE: THIS FILTER WILL FIT WITH THE SPACER, BUT DECREASES AIRFLOW A SMALL AMOUNT. To increase the airflow, you can replace the fan as well. The fan cost is $20 DIRECT from Amazon and we will update that shortly.

This HEPA filter is a replacement filter for the Flow Rat Model Nomad.These filters are rated at 99.97% efficiency, filtering particles down to 0.3 microns.

Nomad replacement filter - shipping dimensions/weight 12x9x2 1lb

The Hepa filter features a 3-stage filtration system with an activated carbon pre-filter. These filters are rated at 99.99% efficiency, filtering particles down to 0.1 microns.

* Please note: Used on all models after August 2022 - these will not fit older models

These were used in all models before August 2022.

Overall dimensions are 10.25"x6.5"

All Lab Rat Flow Hood filters are intended solely for personal use and/or as a replacement for your current Lab Rat Flow Hood. Any commercial, resale, or use other than intended above will be an infringement of the terms and conditions you agree upon by making this purchase.

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

This estimate of substrae can vary based on many factors including your desired moister level, and the variety of mushroom you are using he finished substrate for. The goal of the calculator is to help customers estimate the product they need based on block size and block quantity you are ordering for.