Environment: The Malaysian Forest Scorpion does well under humid conditions. They can be kept in a 2 1/2 to 15-gallon terrarium depending on the number of scorpions. A substrate of damp sand and peat moss with a top layer of cypress mulch, about 3" deep. Also provide a shallow, wide water dish. A sheet of cork bark or similar shelter should be added to the Malaysian Forest Scorpion's enclosure.
puwed ko ba gamitan ng White sand sa Heterometrus Longimanus?
Asian forest or your H. longimanus is a forest scorpion and not a desert scorpion, so the answer would be no. Read caresheets about your specie so that you would if it would be fine or not. God bless and good luck