Welcome to the community ! Not Unusual for older fan leafs close to the bottom of the plant die off. First picture am I seeing a clear pot if so not a good practice to expose roots to sunlight. Post up picture of the whole plant. just my thoughts good luck
Not sure looks hungry to me. More info?
Welcome to the forum. I love growing in coco. Keep in mind the coco offers nothing to the plant and only gets what you give it and should be watered/fed to runoff everyday, no dry spells. There are some amazing coco growers here @Hellraiser is an awsome mentor or grow model check out his grow journal its full of amazing growing techniques
Please keep it to one thread.
As ,emtioned above. We would appreicate it if you kept your q and A in one thread to affress your currrent issues. It will be much easier to help you if you do.
Give us a day or so, and please make a decision as to which thread you want to own. Thanks. lw