Mayo, yes that will certainly help the plants "take off"
Unless it's changed, Dynamite is the retail store equivalent of Nutricote.
Gargoyl52, I don't know how smelly that might be in the house (I'm assuming that's where it will be used)? I don't know if it has all the other nutrients that plants need in addition to the NPK. Do you have a complete analysis? I Googled and found a Muskie but it was not 2-2-2 so apparently not the same product. Miracle Gro and Plant Products fertilizers usually have micronutrients (trace elements). I would tend to go with something like that indoors. But I digress - to answer your question, it would only be too much if you applied too much. It's not just the analysis (which tells you the % of a nutrient in the product) but the amount you apply. So you could use 24-0-0, 10-0-0, 1-0-0 and still get the same amount of N depending how much of each you apply. For example you might apply a teaspoon of one product or a cup of another to give the same amount of N depending on the analysis.
Edited to add, it would also depend on the form of nitrogen and where you are using it. If it's organic nitrogen the plants can't use it until it's been converted into ammonium or nitrate by soil microorganisms. You're soilless mix may not have a lot of those but it would work fine in the garden.
