Wash the roots
Aerate the water
Make sure ur not puttin chlorinated water in there
Keep the res temp down
U can also foliar feed a lil cal mag too.
Keep me posted
Any questions feel free to message me
One last question, do you guys think its ok to use GH Calmagic to my hydro if it needs Cal. I saw Carbonate as a derived i got concern. What are your feedbacks on that