I am selling a bunch of aquatic plant supplements. they are: 1-API Leaf Zone Plant Food(unopened), 1 package of API root tabs(unopened), 1-Seachem Flourish Excel 500ml,1-Seachem Flourish Potassium 250ml,1-Seachem Flourish Trace 250ml, (note: the seachem flourish have been opened and only used...