Face Off OG meets MAC Auto – gassy, powerful and massively productive”

Alien Gas XXL Auto by Silent Seeds is a premium feminized autoflower hybrid created from Face Off OG x MAC Auto. With 24–28 % THC, exceptional stability and XXL yields, it sets a new benchmark for modern autoflower genetics.

We recommend using Eazy Plug for germination.

Alien Gas XXL Auto Profile

⚖️ Genetics: Face Off OG x MAC Auto
🌱 Type: Feminized Autoflower
⏳ Flowering Time: 58–63 days
🌾 Indoor Yield: 550–650 g/m²
🌿 Outdoor Yield: 100–400 g/plant
🌡️ Climate: Indoor & Outdoor
🍭 Flavor: Kush, petrol, pine, lemon, spices
🍬 Aroma: Gas, diesel, pine, citrus
🎭 Effect: Deeply relaxing, physical, long-lasting

Structure & Growth

Alien Gas XXL Auto grows with remarkable vigor and develops a structure more similar to a photoperiod plant than a traditional autoflower. Dense branching, strong growth and excellent uniformity make it highly attractive for both hobby and commercial growers.

Yield & Resin Production

Capable of producing up to 650 g/m² indoors, this variety delivers dense, resin-soaked buds ideal for premium flower production and extractions.

Aroma & Flavor Experience

A modern West Coast terpene profile dominated by petrol, gas, pine and lemon, supported by spicy Kush undertones and excellent flavor persistence.

Effects & Experience

A powerful Indica-leaning experience delivering deep physical relaxation, mental calm and long-lasting comfort. Ideal for evening use and complete relaxation.