poor growth

Hi all , I am constantly getting stunned growth on some of my rotala’s , help needed to find what might be the issue and how to fix it. Tank : 60*30*34 set up for 4months Light : Chihiros wrgb2 60 at 45% all for 6hrs with 30mins ramp time. Filter : Sunsun 302 Fertiliser: 1ml APT complete daily...

Hello, this is my first post on this particular forum. I have a 55 gallon heavily planted aquarium and my ammannia gracilis will not grow correctly. It is twisted and looks unhealthy. I just did a water change and lowered the kh to 2 from 4 because I was told on another forum micronutrients may...