First grow. Coco.

I bought a bag of Canna Coco and have seeds germinating. My first question is, do I need to flush the coco before use? My second, at what point do I start giving the sprouts nutes? Thanks for any advice.

I never did, but check here:

https://www.rollitup.org/view.php?pg=faq

and

https://www.rollitup.org/showthread.php?t=268764&highlight=coco+coir