Thank you so much. How often do you recommend spraying?
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That is exactly the question that we have been trying to get an answer to ourselves. In theory, you only need to protect new flushes until they harden off. My memory says that takes about 28 days. If it is dry, you might only spray twice in that period, if it is wet and the sulfur gets washed off you may need to spray more frequently. But, theoretically, you wouldn't need to spray again after that until you had another flush initiate. We will have to see how all of that works in practice. I'm sorry that I can't give you a better answer, but I hope that helps.