RE:Tomato

A blender set on purie or similar food processor may work for powdering the egg shells.

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RE:Tomato

If you're using eggshells in your garden, you may want to sterilize it.
Place the cracked eggs in the oven at 200F(93C) for 30 minutes.

You don't want to introduce salmonella, listeria, etc., in your garden or potting soil.

Using a coffee grinder to pulverize eggshells is a good idea.
I use one myself just like Gordy57. I got it from goodwill store for $5.00 (don't drink coffee).

A cracked egg will take over a year to break down in soil.

Powdered/pulverized eggshells, it will take a couple of weeks for the soil to break it
down, release the calcium in it, and make it available for the plants(tomatoes).

If you want to make the calcium from eggshells available immediately, you may want to take it one step further.

www.youtube.com/watch?t=83&v=sU5TXvjsTv8

He explains it very well.

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RE:Tomato

If you're using eggshells in your garden, you may want to sterilize it.Place the cracked eggs in the oven at 200F(93C) for 30 minutes.You don't want to introduce salmonella, listeria, etc., in your garden or potting soil.Using a coffee grinder to pulverize eggshells is a good idea.I use one myself just like Gordy57. I got it from goodwill store for $5.00 (don't drink coffee).A cracked egg will take over a year to break down in soil.Powdered/pulverized eggshells, it will take a couple of weeks for the soil to break itdown, release the calcium in it, and make it available for the plants(tomatoes).If you want to make the calcium from eggshells available immediately, you may want to take it one step further.www.youtube.com/watch?t=83&v=sU5TXvjsTv8He explains it very well.

Thanks for that link. I did not know about the peppers and squash needing some, although I have not had a problem with them I will add some from now on as a preventative measure.

I had heard about dissolving them but for a personal calcium supplement. I may try that for the tomatoes. With the no till layered mulch, when I pull the plants in the fall, I have had found roots at the soil/mulch boundary layer that were 6 and 8 feet long. So it would not hurt to get some farther out than the initial root ball.

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