Whisk fern (psilotum nudum)

[guqin]

Anyone here grows the Whisk Fern (Psilotaceae: Psilotum nudum)?

My plant is not doing well and I am wondering if the potting mix that I use is not correct. I am currently using a sandy, loamy mix for growing cacti. I live at the equator (hot, humid Singapore&#33

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[guqin]

Woops. Wrong forum. Could a moderator please transfer to the Bromeliads, Tilandsia, Ferns forum? Thank you very much!