Ahoy,
Never grown anything in bubbler, before.
Plant of the pic is 4 weeks old. PH 5.2, when it raises to 6, i drop it back to 5.2. Using AHH nutrients, 30ml Grow,15ml Bloom and Micro per 20 litres of water. Normally ec had been between 1-1.7
Yesterday i checked the ec, it was 2.7. Looks like...