P. Cubensis “Melmac TP” Swab Pack

(2 customer reviews)


To ensure the cleanest possible products, all of our Melmac TP spore swabs are made and packaged in front of Laminar Flow Hoods with HEPA filters (99.97% efficiency rating). The spore swabs are made by swabbing the spores directly and resealing the swabs in sterile packaging.


P. Cubensis “Melmac TP” Spore Swab Pack


When buying Melmac TP spores, be aware that they’re considered “active spores” which are for microscopy purposes only. DO NOT CONTACT US ABOUT ANYTHING REGARDING CULTIVATING OR GERMINATING MELMAC TP MUSHROOMS. 

Shipping is unavailable to California, Idaho, & Georgia. These 3 states strictly prohibit the possession of spores from psilocybin and also psilocin producing mushroom species. Orders to these states are refused and subsequently voided. Any payments made for orders to CA, ID, or GA will incur a $5 cancellation fee. 

The provided images are for informational and educational purposes only and are used as a reference point only. Sonoran Spores acquires all spores and photos from outside, trusted sources in a legal manner. We do not condone or participate in the cultivation of psilocybin or psilocin producing mushroom species. 

When you buy Melmac TP swabs, spore visibility is dependent on the characteristics of the spores themselves. As a result, not all spore swabs will look the same visibly. Despite any visible differences, they’re still viable for microscopy research.

Origin Information

This variety is an extra robust isolate of Melmac (Homestead Penis Envy/Penis Envy). TP = Thick Penis. Melmac itself is the original Penis Envy genetics that were sold in mushroom grow kits from a store in the 80’s and 90’s. The store was called “Melmac Homestead” and was the Hot Topic of its time. The genetics themselves have deformity that cause the caps to not fully open. This gives them their name “Penis Envy” as the deformity causes the specimen to resemble a penis. They usually grow very large hence the envy part or the name. They have trouble producing and dropping spores, which is why they are exotics and sold in swabs only, luckily for you we have this swab ready for purchase!
Melmac TP is well known for being a rare yet unique looking mushroom. Moreover this strain has a cap that looks similar to the Penis envy strain; but the difference lies in the stem, because Melmac TP stems are much larger. The color on this mushroom is also captivating, as it goes from this warm yellow center and fades into an off-white around the edges. The bright white stem on this stain bruises a deep blue on contact. Melmac TP is great for people looking to add some variety to their spore library, but also great for beginner microscopist looking to venture into the Penis Envy family.

Why Buy Our Melmac TP Swabs?

We strive to provide you with the cleanest possible products. We make and package the all of the Melmac TP spore swabs in front of Laminar Flow Hoods with HEPA filters. These HEPA filters have an efficiency rating of 99.97%. Meaning that the filter removes 99.97% of particles in the air.

  • Ships next business day
  • Discreet packaging
  • Spore swabs remain viable for a few years
  • Store spore swabs in the fridge or a cool, dry place
  • Do not freeze

Microscopic Features

Melmac TP have dark purple to brownish spores. Moreover they are subellipsoid (ellipse) in shape and have 4-spored basidia. Caps can be diameter of 50+ mm but will rarely open fully up, with many not even opening at all. Also these have diminished spore production from the mutation and only 25 percent will produce spores. So this makes these spores very difficult to acquire, just like the other Penis Envy isolates.

Melmac TP Swab Pack Contents

Each spore swab will come with:

Additional information

Research Difficulty



Subtropical. These mushrooms are known to thrive in subtropical climates places where summers get hot and humid, and the winters are mild. Usually these climates are found between the latitudes of 25 degrees and 35 degrees and the southeast side of all continents.


Extremely Light Depositor Mushrooms that typically have problems with producing spores, either because of genetic lineage or species variability. Typically these mushrooms produces spores on 50 percent or less of fully mature fruits and rarely drop them from the gills.

2 reviews for P. Cubensis “Melmac TP” Swab Pack

  1. Jordan

    This baby was thick

  2. Jordan

    So thick

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