hope i could answer your question my friend ! here's more info from the RQS blog about EC : https://www.royalqueenseeds.com/blog-cannabis-water-quality-part-2-ppm-ec-n298 .... for the seedling you're good at around 0.8, later on you can raise the EC upto 1.6 by adding nutrients progressively. EC can help you figure out how much nutrients you should be giving... it's more important for soiless and hydro grows, for soil, you dont really need to stay on top of it that much... let me know if you have any other questions ! ๐
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