Welp. My plants are down! This was a great product line and I'm glad I got to test it! I completed two full grows using Dutch Pros line. The first run was two autos in 4 gal autpots. The 2nd run, was three photoperiod plants in 2.2 gal autopots. My second run was much better than the first. It took a run to get the line dialed in. Once dialed in, my plants hummed all the way to harvest. No nite burn or deficiencies. Nothing extra added. I just followed the feed chart to the letter. I'm glad they sent the amount they did. Hopefully by the time I need more, it will be available in the USA!