How to stop Phal from secrete "happy sap"?

[The Mutant]

Weird question, I know.

Is there any way to do this without having to start mistreating the Phal? My three-spiker seems to have liked being re-potted because since then it has been very busy drooling (what I call "happy sap"). It secretes so much I have to wipe the leaves daily since the sap is a breeding ground for fungus and also, since my unwanted pets like to drink it (small, non-harmful flies that came with the medium).

Should I maybe water it less? Could I do that without it suffering? Could this amount of secretion actually be a sign of some bug invasion? The sap is secreted from the edges of the leaves and drips down onto those below.

I like it a lot since it's such a happy camper, but I would prefer it to be a less sticky happy camper...

I'll toss in a picture only because it's such a nice looking NoID (I tried to take some photos of the sap, but it was impossible).