Empty Filter-Patch Grow Bags, 3 lb – 10 Pack

Description

Empty Filter Patch Grow Bags 3lb – Empty 3 lb, 4 mil with a round micropore filter patch – you fill it, sterilise it and inoculate it.

Empty Filter Patch Grow Bags 3lb: what you get

Empty Filter Patch Grow Bags 3lb arrives as 3 lb, as the listing states it. Variations are sold as sealed or packed so it survives a courier, not just a shelf.

• 3 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 empty filter patch grow bags 3lb

Nothing about empty filter patch grow bags 3lb 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 empty filter patch grow bags 3lb in any shop-bought setup.

1. Fill to no more than two thirds dry weight so the bag can be folded and banded without stretching the patch.
2. Sterilise supplemented mixes at 15 PSI for 2.5 hours; pasteurise straw and Coir at 60-80 C for 1-2 hours instead.
3. Cool to room temperature before you inoculate, then shake the spawn through the substrate at the rate the supplier lists for that species.
4. Incubate sealed, then cut the panel and stand the bag where air moves; the patch is there to exchange gas, not to let mist in.

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

Can these go in a pressure cooker?

Yes – rated for steam sterilisation at 15 PSI. Stand bags on a rack, do not overload the vessel, and let the load come to pressure and drop naturally.

Will they take boiling-water pasteurisation?

Yes, and the film does not weaken at 140-160°F. For a straw or hay mix pasteurising in the filled bag is a reasonable approach.

How many 3 lb bags will one 3 lb jar of grain spawn cover?

Roughly four to six bags at a 5-10% rate, depending on how wet your substrate is and how generous you are with the top layer.

Usually ordered with Empty Filter-Patch Grow Bags, 10 lb – 10 Pack and Empty Filter-Patch Grow Bags, 5 lb – 10 Pack. The empty-bag archive compares volume, film thickness and patch type side by side. Mushroom Grow Bags & Blocks. For the technique side we keep FreshCap on filter-patch bags open while writing these pages, and the sanitation notes for the consumables follow the FDA Food Code.

The small-bag size for growers who want a one-meal block rather than a project. Same 4 mil polypropylene and micropore patch as our larger bags, sized for a 3 lb wet load – a good match for a master’s mix or soy-hull-and-straw blend.

What is in the box

• Unfilled PP/PE grow bags with a heat-sealable top and a round micropore filter patch – nothing else. No substrate, no spawn, no colonisation
• Rated for steam sterilisation in a pressure vessel at 15 PSI; they will also take boiling-water pasteurisation for straw-based mixes
• 4 mil gauge film so the bag holds its shape when filled and handled wet
• Flat-packed and clean, not sterile out of the box: you sterilise them after filling

How it works

1. Weigh out and hydrate your own substrate mix, fill to the bag’s rated volume, then fold the top and seal.
2. Sterilise or pasteurise the filled bag, let it cool completely, then inoculate through the patch or port.
3. Colonise on a shelf in the dark, then cut the bag open to fruit.

What to expect from this grow

These are the bags for growers who already mix and sterilise their own substrate. Sold as a consumable: if a bag fails a seal or is damaged in transit, tell us and we will replace the pack.

Specification

Product type	Empty filter-patch grow bags
Stage	Empty cultivation bag
Size	3 lb, 4 mil
Shipped weight	2.1 lb
Package size	11 × 6.5 inches
SKU	MGS-0017

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