Can Crypts Grow In Subsrate Or Do They Need Tying?

[nortonmad213]

Sorry if this has been covered many times already. I was wondering if crypts can be grown in substrate or if they need tying to a rock or wood etc. Thanks

 

[TwoTankAmin]

Plant them in the substrate.

 

[nortonmad213]

Lovely. Thanks

 

[EllieJellyEllie]

Plant them in substrate but they enjoy some root tabs