Root tabs are a good idea for general feeding. If I was seeing iron defficiencies I'd go for a liquid supplement. Seachem makes a good one.
My 33 gallon/125 liter tank. My photography on flickr.
I currently have eight 1/2" red wag platies for
sale. My aquarium is overstocked and I need to get
Selling BEAMWORKS 48" (4 feet) high power LED
lamp. Comes with two modes, 1) white and blue 2)