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Ozone also give your plants vitamins and minerals it would normally get from sunlight.
I would have to agree with 420 Shade. I've had plants sprout in less than 24 hours in soil. make sure to bury pointy end up and about 1/4 to 1/2...
don't move your plants around alot or change the lighting often. unless from veg to flower. stress will turn your plants into hermies!