I doubt there is such a thing. Assuming a plant has all the nutrients it needs, it is only going to grow so fast.
I recommend you use a "full strength" media and for fastest growth make sure you keep your temps constant around 74 and have good light. You can replate into fresh media a few times also to help growth, but then you risk contamination every time you do it. You sound experienced so you probably rarely have contamination, but if it is a cross you are excited about, there is no reason to risk it.
Good luck.
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