Improvements to the base will benefit every glaze derived from it. You'll be able to throw out all those bags of materials you bought just to test recipes that never worked A recipe and the documentation that rationalizes it are inseparable entities where beginners are the recipients. There are ' ethics ' giver and receiver should not ignore. Documented recipes prove the author is conscientious and willing to field questions to help users adapt. Recipients willing to 'understand' and adjust demonstrate a grasp of the true nature of ceramic processes.
Poor glazes can injure people physically.
Reliance on ' Textbook recipes ' is a constant impediment to your progress. They will control you instead of you them, they'll throw good results almost totally to chance, they are an impediment to your progress. They will stand as a barrier between you and getting an understanding, being in touch. Like raising and training a puppy from birth, it will just be easier to create your own recipes. It is a shame not to learn from your own past.