Fluid Film is liquid lanolin. You can cut it with isopropyl alcohol, but it needs to be 91% or more (99% is better). The problem is that you have to shake/mix it pretty much every time you use it. Most folks use a 6-to-1 ratio (roughly) alcohol to lanolin if they want it to work through a spray bottle. It's actually a commonly used case lubricant for folks reloading ammunition....so they mix it up and use it in a spray bottle to put a light coat on many cases at a time.
For your use, you could probably use less alcohol...just get it to the consistency you want.