plant supplements

Hello Everyone! I'm new to the forum, and would like say thanks to everyone who will post on this thread. I currently have a 60l planted tank, medium stocked. I kind of cheaped out on the diffuser and am just get large bubbles of co2. I'm looking at two options to switch, namely a cork...

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...