Doug Valverde's proposed set up to grow Glossostigma sounds O.K. - in my experience it likes a reasonably rich substrate of soil covered with some fine sand ( I grow it in 2" plastic trays) , water neutral to slightly alkaline, suspend the tray a half inch under the surface, keep the light intensity high ( or even grow it outside in summer) . In Australia it is more common in the southern half of the country so any temperature below 85F and above 50F should be O.K. I personally don"t use CO2 but a friend who does finds that under aquarium conditions it improves vigour remarkably.
Hope this helps.
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