autoflower to small?

The size of your plant is ok but please see below few tips, Get free APP to measure LED Lux ( https://play.google.com/store/apps/details?id=com.doggoapps.luxlight&hl=en_GB&gl=US&pli=1 ) Light • Clone and seedling stage: 5,000–7,000 lux • Vegetative stage: 15,000–50,000 lux • Flowering stage: 45,000–65,000 lux Ph Soil pH range: 6.0–6.ph. 6.5ph is sweet spot Temp Temperatures of around 20-25ºC with a humidity level around 65-70% gives good results for cannabis seedlings. Humidity levels around 60-75% deliver solid veg growth. Perfect EC level for cannabis plants is around 0.5-0.8 until around 13/15 days after germinating. This should be progressively increased to 1.1 towards the end of the growth period. During the bloom stage you’ll need to increase this, as your plants will need more nutrients. You should keep the EC between 1.2 and 1.5, keeping it there until the fattening period, where you should increase it to 1.8/2.1 – this is the highest it should ever be.