well the seeds should be hard not soft and im not sure on the color but green all the ones i bought were like brown with blackish stripes.Plant seeds in soil that has no fertilizer in it so like not miracle grow.You should add nutes at 4-5 nodes thats when veg starts anytime before that its a seedling and all it needs is water.You should water every other day is what i usually do but id take advice from others on the whole watering thing.Im not sure about the 25% nitrogen thing so ask like a mod or something becuase they are alwyas smart and love to help out.I add light to the seedling as soon as it pops out of the soil.Well i hope all this is somewhat helpful.good luck