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Originally Posted by bluehelix The form I tried was very pure and so strong that it totally wiped out my entire bed almost overnight. Just because you found some super weak agricultural grade doesn't mean that is what everyone will find. |
Alot of respectable growers around here have used hydrated lime with much success. Just because you had bad luck with hydrated lime, doesn't mean everyone else will. Although most people have great success from using horticultural hydrated lime, some do not. Blue, I respect you as a grower, and I know you're a good person too.
But I don't want people to get the wrong idea about hydrated lime. It works well, and professionals use it too as RR mentioned above, it's what stamets recommends .
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Originally Posted by bluehelix Pickling lime, one of the most typical forms of hydrated lime, for example will not work well. |
Pickling lime is food grade calcium hydroxide (hydrated lime) with no additives or preservatives. Be careful with what you say, what works for some will not work for others and vice versa.
I'm not saying Calcium carbonate doesn't work well. But many brands of picking lime and hydrated lime work equally well. You can disagree, but it's been proven by various people here. The reaction of hydrated lime with CO2 gas = calcium carbonate, there's very little difference between the two. You do have to be careful with the kind of lime used, you never want to use dolomitic hydrated lime, always use high calcium horticultural hydrated lime with Mg. levels below 5%
Chill...sorry to derail your thread.