Originally Posted by John Fitzgerald
I found a local mom and pop feed and garden store that can get me a 50 pound bag of powdered alum for $20. Getting it later this week. I'll mix 10 pounds of hydrated lime with 20 pounds of alum and try that first. Does that sound like a correct ratio?


That's a great price. I might consider driving the 2 hours.

I have seen several remarks that you don't want to mix the lime and alum in the same batch - it can turn to a thick sludge. Spray your alum then follow up with the hydrated lime.

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