Pretty normal for plants when they adjust to the new environments.Yeah i am really happy with the fertilizer i use. Most of them plants came it yellow a week ago and they are already really starting to darken up. These fertilizers are also my by a very talented chemist. The Trive that i am using currently is made specifically for soft water as well. Do you have the name of the product you are referring to?
The professor has 7 mixes of ferts, nicknamed "Dirks secret drops" and these are very popular here but not available abroad