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Thumb of Michigan | We tried some different micro's many years ago. Long enough ago that I can't recall yield differences, but we felt that IF a micro was needed, quality mattered. Obviously, seperating the wheat from the chaff is the tough part.
I'm not going to mention which companies product I'll never use again, but its a Texas based outfit. I don't mind saying that in our case, Hampshire has been a good product. I'm positive theres others just as good, but thats what our local suppliers like to handle. | |
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zinc chelate quality
