I don't have the exact numbers right now, but I made a solution for my 30g using standard EI dosing. 30oz, using the 20-40g standard for CSM+B for 1 dose per 1oz (that is, 1oz for micros, 3x per week). In addition, exactly half as much CSM+B for iron.
So, one dose of CSM+B, half that much of iron chelate, mixed with water, to equal 1oz., good for a 20-40g tank.
In a 30oz container, I have 30 doses of CSM+B and iron chelate (at 1/2 CSM+B). I used this concentration because the same concentration of macros per 1oz. approached max solubility. Micros could probably be more concentrated.