Banana daddy & banana hammock

So last week I realised my pH and EC pen is not working properly. Ordered a new ones from Bluelab. Changed water just now. pH was finally increasing the last couple of days. EC stayed stable at 0.8, so I made the new water 0.8 again. Increased the P-K and lowered N because the lower leaves were getting darker and I have had N tox with every grow so far. I just switched them to 12/12 last Saturday. They are showing their gender since yesterday