Just found a spot to get RO WATER with a ph of 6.8 for my 11 day old sprouts do I need to add cal mag for waterings? if So when should I start and how often
@Cheetoram Ok, generally the earliest some people start is day 20 from sprout. Although, some don't start feeling CalMag until day 40 if they transplant multiple times since the fresh soil has nutrients in it. Some growers feed every watering and some will do every-other.
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Are you in soil or coco coir?