I wouldn't worry about trying to maintain any specific ratio.
Thus the diffulit in calling this balancing. It shouldn't be at all.
The balance is in the organisms uptake not the tank amount.
Just like alk cal and mag. Imbalances in those aren't a problem either save in extremes.
If had Dino's or cyano I'd just clean the tank check , the flow so there's no build up and look at my ph.maybe. Nah, I wouldn't even do that.
Also my food regimine.
Rods foods give me the reds something awful. Not many other folks though.
Really this is why I Highly discourage the practice.
I'll read those articles , in may have already , but all the ones sent to me and that I've forms are organisms uptake and environmental limitation.
And let's blow some minds here and possibly off topic , I actually think with a lot of Dino's in apperanly nutrient limited tank systems the organizims are feeding in something else. We've all seen new egg crate make a dino bloom in a what was a healthy system. And no. Not all egg crate. And not all systems.
Not to mention the dino bloom factor of some salt mixes. Ie don't change the water it makes it worse thing. It doesn't always.
Looking at the overall biology of the organisms is better from an overall undstanding of what they feed on is a good idea. For the common reeefer it's impossible to know what every single thing in the tank (or house ) that it may feed on.
Pointing strictly at nutrients imo is a mistake. (just like identifying the specific organism )
But it makes us feel better cuz it's the one thing we can test for.