>>1494053I use from germination to 1 week old just water via wet rockwool. Then another week on a VERY diluted (0.15ml/L) nutrient mix of FloraMicro, FloraGro and FloraBloom. This allow for the roots to grow quite nicely.
Then I move the lettuce (day 15) to the final container with
FloraMicro 0.35 ml/L
FloraGro 0.35 ml/L
FloraBloom 0.35 ml/L
CalMag 0.35 ml/L
On day 25 I add
FloraMicro 0.35ml/L
FloraGro 0.70ml/L
using the original water volume from day 15 for the calculation.
Then I harvest around day 50-60 depending on size but not later as the lettuce gets bitter.
Then on day 15 I move the