Originally Posted by rrguymon
Quick question? On tank 1 you suggest dosing iron in addition to the traces. On tank 2 and 3 you don't? Is there a reason for that?
Nothing special...I add a shot of iron (2-3 ml) about 2 or 3 times a week for my 65g. So long as you have enough plant biomass, high co2 and relatively high macros, adding more iron will only benefit the plants.