Getting ready to start my first CoCo grow. I just got my COCOTEK FINE FIBER(brick) . I wanted to know If you guys know how fine it is or use it . I would like to rinse it(if I have to) but am alil worryed that if its to fine it will filter out with the water. I also have to my nute line up. Blue Mountain Organics full line up SuperThrive Botanicare Grow & Bloom Botanicare Cal-mag Plus, Sweet, Clearex I will add some SuperThrive & Calmag Plus to my coco when done with rinse. Any help will be good.