I actually did mistakenly use a biodegradable version in my pots once. It was a very long time ago, before I knew they were a thing. And from what I recall, they quickly turned into a putrid mush at the bottom of the pots.
At least in my experience, and I don’t know how universal it is, the biodegradable ones tend to be tinted a non-white color and have different texture to them.
I actually did mistakenly use a biodegradable version in my pots once. It was a very long time ago, before I knew they were a thing. And from what I recall, they quickly turned into a putrid mush at the bottom of the pots.
At least in my experience, and I don’t know how universal it is, the biodegradable ones tend to be tinted a non-white color and have different texture to them.