Green Gelato NFT

Hello here is my first Diary!! on green gelato it's always a pleasure So for the beginning : I soaked for 3-4 days my cubes of rockwool at ph 5.8 _ at the same time I germinated my 5 green gelato seeds! _ Not too much light this first week they are under the led sf-1000 at about 40 cm and receive 10 000 lux I let my blocks soaked every 3 days in a solution of formulax ph 5.8 at 2ml/l and my tap water is very hard it is at 600 EC