Started using mega crop 1 part a couple grows ago. Sorry to say I over did it with sweet candy and bud explosion I could not get a feel for it going by grams or by tsp. Also I went to just mega crop and going by ec for feeding. I like ec cuz no matter how much water I use it's the same seedling .55 ec no mater if you mixing a gallon or 100 gallons or just a solo cup worth of water. I don't have to math out how much based on amount of water is what I'm trying to say. Another bonus is I can add more water if I over shot or if I don't use all the water I can change the ec higher or lower for other plants. I did try to understand ppm but with different scales out there I don't feel comfortable using it.
Sour diesel auto week 6 from seed just mega crop 1 part
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TL;DR I had trouble with the mega crop line until using ec and only mega crop 1 part.