Firstly that’s an awesome pairing, let us know what you get.
Dont worry about that, I have had big fluctuations and no problem.
In fact I often just use a rack with a gradient…
The figures we are given are for a specific hatch time and is set for fastest hatch time which is unnecessary and some people believe not the healthiest…
They aren’t as sensitive as most people would lead you to believe.
See the discussion below-