Description
Micropore Tape Filter Patches – Two rolls of 1-inch paper micropore tape and twenty-five 4-inch breathable filter patches – the consumables for sealing injection ports, patching holes you cut, and building a poly-fil filter on a monotub lid.
Micropore Tape Filter Patches: what you get
Micropore Tape Filter Patches arrives as the pack contents exactly as this page describes them. Variations are sold as sealed or packed so it survives a courier, not just a shelf.
- the pack contents exactly as this page describes them
- 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 micropore tape filter patches
Nothing about micropore tape filter patches 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 micropore tape filter patches in any shop-bought setup.
- Wipe the work surface and your hands, then let the alcohol flash off before anything sterile is opened.
- Work in still air: a fan or an open window carries spores into an open jar or bag.
- Keep consumables sealed with the patch or lid closed, and replace tape and patches rather than reusing them.
- Calibrate a hygrometer against a damp-salt test twice a season; flush counts are decided by the number you trust.
Storage and handling
If a pack has been wet, warm or sitting for an unexpected length of time, do not compound the loss by running it: use it on the next clean setup, or ask us before you inoculate.
Common questions
What can I use filter patches for?
Covering drilled holes in a fruiting tub, sealing the cut you make in a grow bag, or as a breathable lid on a jar of grain spawn. Anything where you want air to move and spores not to.
Does tape alone keep out mould?
Over a hole, yes, if the edges are fully stuck down with no lifting corner. It is not a substitute for still air while you work.
How many patches do I need for a monotub?
Most builds use four to eight per tub – two near each end of the lid, plus a couple low on the walls – and twenty-five is enough to experiment without counting.
Usually ordered with 70% Isopropyl Alcohol – 32 fl oz with Spray Head and Nitrile Gloves for Mushroom Cultivation – 100 Count. The supplies archive lists the consumables with what each one is actually for. Mushroom Growing Supplies. For the technique side we keep the FDA Food Code open while writing these pages, and the sanitation notes for the consumables follow the FDA Food Code.
Buy it before you need it, because the moment you cut a window in a bag or drill a tub you want tape that breathes. This bundle is the same micropore we use to seal ports on our own bags, plus adhesive filter patches for monotub lids and improvised holes.
What is in the box
- Two rolls of 1-inch paper micropore tape and twenty-five 4-inch breathable filter patches – the consumables for sealing injection ports, patching holes you cut, and building a poly-fil filter on a monotub lid
- Paper micropore, not vinyl tape: gas passes, spores do not, and it peels off without leaving glue
- Chosen because it earns its space on a grow shelf: nothing here is a novelty gadget
How it works
- Keep your fruiting space’s thermometer and hygrometer where the mushrooms are, not where the shelf air is.
- Sanitise tools before and after each grow; a spray bottle of 70% alcohol is a whole contamination strategy.
Specification
| Product type | Mushroom growing supply |
|---|---|
| Stage | Cultivation supply |
| Size | 2 rolls + 25 patches |
| Shipped weight | 1.1 lb |
| Package size | 8 × 6 × 3 inches |
| SKU | MGS-0044 |
Part of our Mushroom Growing Supplies range. Questions about this product? Email [email protected] or call +1 970-909-8532.




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