The growth is very good. Plant 3 has the fewest buds, is the smallest, and seems slightly more indica than the others. Plant 4 has very striking colors.
12/12 from seed
Watering with filtered tap water every 2/3 days, when the pot is lighter, 500-1000ml
Soil:
peat, coconut powder, perlite, carbonized rice husk, sheep manure and worm humus. essential mineral mix, vegetable flours, vegetable cakes, biochar, bokashi EM1 and other organic inputs, Algae ascophyllum nodosum
small pots 3,7liters // 1gallon
light: lm301h-evo
120watts with other plants