You deff wanna hand water with those nutes, they require repeated and full saturation to break down and become available the way theyre intended to. Down to Earth is great they have alot of products other dont offer but they also have sum products that can been found cheaper by other off brands. Organics are always superior product if done right but feeding schedual and actually delivering those nutes to the roots can be tricky. Learning the exactly what chemicals are sold under what names will help in chosing too. Dont buy a bag of Magnesium sulfate when you goto buy more langbeinite, your gonna want the K, especially since its your primary source!