Scale have a protective dome that shields them from most sprays, which is why physical removal is highly effective. My big Monstera got infested with scale so here's my initial treatment: Aaahh!! REAL MONSTERS Signed Hand Painted Limited Edition Cel Nickelod The Cricket Gallery Steven Tames A Monster Monster Buddies Steven Universe Cartoon Network D&D: 10 Horrifying Monsters to Use in A Spooky Campaign WHY couldn't I be the one to find this?! As a huge Disney fan, I would've kept this forever and fully restored it. This life size Monsters, Inc. Sulley (with Mike!) was Monster Pool Noodle Centerpiece