Cambodian ‘Psilocybe Cambodiescens’ Spore Syringe

1. Cambodian ‘Psilocybe Cambodiescens’ Spore Syringe

The Cambodian strain as a living mycelium culture, packaged in an ampoule with its own sterile syringe — everything you need to inoculate a substrate you have prepared yourself.

The Cambodian strain is the fastest coloniser in cultivation, descended from wild specimens collected near the Angkor Wat temple complex by the ethnomycologist John W. Allen around 1994.

One thing worth saying plainly: the Latin name on the packaging is invented. It is not in any recognised index and it does not describe a distinct species. That is normal in this trade and we would still rather point it out than reproduce it as fact. The culture is a known cultivated lineage, which is what matters for growing it.

2. Specifications

3. Speed

Working from a culture rather than a finished kit means you are running an uncolonised substrate for a week or two, and that period is the whole risk. Speed is therefore the property that matters most here.

1. Contamination is a race for food. Mould spores and bacteria are in every room. Whether they take hold depends on whether the mycelium claims the substrate first.
2. Cambodian is among the fastest cubensis lineages there is. That closes the window in which a competitor can establish itself.
3. Which is why it is the strain to pick if you have lost a batch before. Speed will not fix poor technique, but it forgives a great deal.
4. Multiple small injection points beat one large one. Several colonisation fronts spreading at once close the substrate down much faster than a single site.
5. Check daily by looking, never by opening. Growth is visible through the container within days with this strain.

The trade-off is warmth: fast colonisation wants 24 to 28 °C, which is also where bacteria are happiest. Sterile substrate and a sealed container matter more here, not less.

4. Inoculating your substrate

1. Hygiene comes first and it decides the outcome. Alcohol wipe on the ampoule, washed hands, a still and wiped-down workspace.
2. Open the sterile syringe last, and touch nothing with the needle.
3. Fill from the ampoule, keeping the needle clear of every surface.
4. Spread the inoculation across the substrate in several small injections.
5. Seal it and put it somewhere dark and warm, undisturbed until it is fully white.

4.1 What success and failure look like

• What you want to see is white, fluffy growth radiating from each site you injected, expanding week on week until the whole substrate is white.
• What ends it is colour: green, grey or blue-green means mould has won and nothing recovers a colonised batch.
• What also ends it is smell. Sour or ammoniac means bacteria, often before anything is visible.
• Resist opening the container. Inspect through the walls; every lid lifted is another opportunity for a spore to land.

Contamination is a race for food. An aggressive strain does not fix bad technique — it shortens the window in which bad technique matters.