Coco Grow, Samsara Green Love Potion

Good weed day to everyone. I am attempting to use coco as a medium to grow the Samsara Green Potion.
I have had ups and downs with my plants. Biggest obstacle is getting FoxFarms soil like I originally wanted. That soil produced a 3oz dried yield as a white widow auto.
Can't say I haven't had my bumps in this one. Opinions will vary, most people will be more helpful to others than a couple encountered here.
My goal here is to share what I've he learned in the last couple of years, learn from you, and make friends.

I couldn't continue because of an Error 522 I kept getting.
I have a plant that broke ground March 02 in a coco medium, in a 5 gallon smart pot. I have it in a 4'x2'x3 grow tent with a 400 watt MH light.

Initially I had some issues between nutrient and water balance, but thanks to you, It's doing better. I am using Sensi coco grow, but at fractional amounts. I think that's it for now.
I did ask on an earlier post about fimming for the first time,

Thank you

I know shes still a young girl, your better off to try to top it, fimming is hard on little ones to do.

Today I'll be watering again, I just wanted to include a shot right before. I think she is doing better

It took about 1 1/2 gallons before I saw the right size runoff. I put in 3/4 tsp of FF grow big per gallon. The ph going in was about 6.4 ph, the runoff was 6.23 ph.
That's it for now. If anyone has any advice, and or suggestions, please I welcome them.

Thank you