Vermiculite ???s

[Zombie]

The only vermiculite I can find locally is either fine or medium. I can not find coarse. Would medium grade be OK for my egg tubs? I know coarse is good to allow more air and help prevent mold. I also looked for perilite but its either sold out or has fertilizer in it. Any help is appreciated...

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[Domepiece]

I think medium would be fine. I see no reason why it wouldnt be. Mold doesnt grow well on vermiculite anyway.

[SlitherinSisters]

I agree, mold really shouldn't grow on it so you should be ok. I would go with the medium grade. Are you going to put your eggs on it, or are you going substrateless?

[Zombie]

Substrateless, I will put it on a grid

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