PAPO

I have a pretty good set up My space is 4' wide 9' long and 6'6" high. I have two 1000 watt lights. I am growing 10 plants. I have each one in a 5 gallon plant pot. I just trans planted them last friday they were clones and they were about 3" long. After i week under the lights they are about 7" tall. I first gave the soil a shot of vitimin B but have just been watering them with distilled water since. they look pretty strong now and I was wondering how often should I use the fertilizer on them? and has any one heard of Earth Juice? Is It any good?

thanks

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PAPO