Substrate question

[Dreadfrog]

So my question is
What are the reason people don't use ground peat for substrate .
I can't believe it causes impaction as it is ground as fine or finer the coco fiber .
I am curious as you can get peat in large bails witch seems easier to me then bricks or small bags .
I'm guessing there is a reason but I can't figure out why ? I
It's not the coast as there both rather inexpensive .
Anyone know ?


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[kueluck]

I've read on other sites that it molds easy unless you keep it dry.

[deranged chipmunk]

I've never had mold issues. I use peat moss under my coco fiber for the plants in a blame I make. But coco fiber has the advantage of being inert and holds moisture better, therefore keeping humidity levels up in the tank. Peat would dry out too quickly.