Fiberglass is non-porous and won't absorb the stain the way a wood surface does. So, it's best to apply Gel Stain with a bristle brush. Excess stain should be evened out with the brush - not wiped away with a rag. See application instructions above.
There are many types of foundation that you can use but the two main differences have to do with using plastic or sticking to straight wax. Beeswax foundation uses only wax. One benefit is that the bees like this foundation and draw it out quickly.
Bees are closely related to certain types of wasps, the principal biological difference between them being that bees (except for parasitic bees) provide their young with a mixture of pollen and honey, whereas wasps feed their young animal food or provision their nests with insects or spiders.