RQS Fat Banana Automatic

Third week of vegetation starts today. I changed the water into the pots with fresh tap water. Roots become to be more longer and plants seem to be healthy so far. The light is 30 cm from the top of plants @ 50% power 18/6, the extractor is set to 1/4. The inkbird parameters are 20° (-2 H +3 C). D21: changed the water. For each 20l pot I added: 20ml of grow, 20ml of micro and 20ml of bloom. In order to low the pH at 6.0 I used 9ml of pH-. The measured EC was 1.2. D22: lower the pH at 5.6; this evening it was raised to 7.0. the measured EC was 1.3 D23: pH checked @ 6.1, EC checked @ 1.3 D24: everything looks going well. Plants started to stretch and grow faster, roots are developing long and white. pH @ 5.7 EC @ 1.7