day15: added aluminium tape to reduce light leak. Changed feeding water
day16: light from 24/0 to 20/4
day18: seems that either from 20/4 or from new water plants are growing faster and leaves are up
day19: led power from 33W to 42W, added Plagron PyreZym and Advanced Nutrients root stimulator
day20: after the PyreZym and Root Stimulator there is a slime on the roots and foam in the water :(
day21: roots cleaned. water changed. Added a 2nd LED panel for better lighting