Critical Express

Critical Express

breed by Positronics

Here you can find all info about Critical Express from Positronics. If you are searching for information about Critical Express from Positronics, check out our Basic Infos, Shop-Finder and Price Comparison, Lineage / Genealogy or Hybrids / Crossbreeds for this cannabis variety here at this page and follow the links to get even more information - or list all Critical Express Strains (±2) to find a different version. If you have any personal experiences with growing or consuming this cannabis variety, please use the upload links to add them to the database!

Basic / Breeders Info

Critical Express is an automatic flowering ruderalis/indica/sativa variety from and can be cultivated indoors and outdoors where the female, autoflowering plants need ±68 days from the seedling to the harvest. Positronics' Critical Express is a THC dominant variety and is/was only available as feminized seeds.

Positronics' Critical Express Description

Positronics Critical Express Our automatic version of the winner critical mass has all the caracteristics that made it famous: smell, flavour, big crop... AT LEAST! autoflowerings of great size and effect.

Our most award winning strain in cups is CRITICAL#47. After a long way of hard work and many testings, we crossed the mother used in it with our Low ryder II to get a stable automatic strain. As a result, a big automatic plant with great aroma and a taste not easy to find amongst the automatic strains nowadays.

The main feature of this plant, apart from its strength growing, is to reach a big size with a little internodal distance. Besides it develops many side branches that will give more flowers. These flowers are big and thick just like the widely known critical mass.

Aroma: Mainly citrical. Energic and expressive notes that will surprise everyone.
Flavor: Fruity flavour, clean bouquet, long lasting and a mouth dryer.
Effect: Strong physical and mind relaxation. For those moment when you want to run from the "express" of life.
THC: 12-15%
CBD: 0,2%

Indoor: For an optimum development it's advised to give her 18 or 20 hours of light. A big pot, more than 7 l is recommended. Using bigger pots will increase the crop. Will be ready for harvest in 65 or 70 days from seed. Amazing fast growing.
Flowering time: 65-68 days

Outdoor: Best grow in spring. Can reach a size around 0,90 and 1,20 m. Yield: 40-100gr per plant

Nutritional Standards:
Biologic Systems: EC grow: 0,8ms; EC bloom: 1-1,2ms; PH grow: 5.9; PH bloom: 6.8
Hydroponic Systems: EC grow: 1,2-1,5ms; EC bloom: 1,5-1,8ms; PH grow: 5.9; PH bloom: 6.5

Fungus Resistance: medium

Where to buy Critical Express cannabis seeds?

Critical Express from Positronics is available only as feminized seeds. Regular seeds are not available at the moment. In 11 seedbanks, we found 44 offers between USD 8.24 for 1 feminized seed and USD 1290.09 for 200 feminized seeds. If you are looking to buy Critical Express Cannabis Seeds from Positronics somewhere - have a look to our Critical Express Price Comparison page with all current offers from all the connected seedbanks and shops - or visit one of the following tested, trustworthy and recommended seed-shops directly to check out their current Critical Express offers: Cannapot Hanfshop, Oaseeds,, Linda Seeds | Linda Semilla, Herbies Head Shop, PEV Seeds Bank, Amsterdam Seed Center, Alchimia Grow Shop, Original Seeds Store, Seedsman and Indras Planet GmbH.

Critical Express Hybrids & Crossbreeds

Critical Automatic
Critical Express

Upload your info about this strain here:

Do you know something more about Positronics' Critical Express? Please help to make this database better and upload/connect your information here!


Pictures speak louder than words! Upload your "Critical Express" Photos here and help other growers to get a better impression of this variety.


You have grown Critical Express together with another variety? Please fill out our Strain VS. Strain direct comparisation form!

User Reviews

Our strain reviews are multilingual, searchable and can be very detailed - including data about the grow, aroma, effects and taste! Please upload your Critical Express Review here to help the other seedfinder users!

Medical Values

You have experience with the medical qualities of Critical Express? Sharing your information here maybe can help other people!


You've stumbled upon a Critical Express related thread into a forum or growers community? Connect it here and enable othe users to find this information fast and easy!


You found a related video with additional information or grow-infos about Critical Express on YouTube? Please connect it here to the strain info page!