Hi, I have a small problem that I hope someone here can help me with. I grow and cultivate indoor plants. I have a red/green fuzzy leaved philodendron that gets these little droplets that form on the underside of the leaves and are sticky and don't evaporate. They always seem to be there. They don't always form on every leaf. They are tiny and clear. They wipe off yet leave a sticky film and if left sometimes they create a small yellowish dark spot on the leaf. It doesn't seem to affect the growth or vining nature of the plant. In fact this plant is growing as good as ever. If anyone recognizes this condition, what is it and could it create a problem in the future?