"Grazula" doesn't match any common houseplant. It could be a misspelling of Guzmania (bromeliad), Graptopetalum (succulent), or a local name. Without a photo or scientific name, care is guesswork.
Search "Grazula plant" online. Post photos on plant ID forums (Reddit r/whatsthisplant, Garden.org, etc.). Once identified, specific care (light, water, soil, dormancy) can be given.
Don't give up on a 20-year-old plant! Fungus is treatable if caught early and environment corrected.
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