Originally Posted by syfi

I totally agree. If using separate fluid types then by all means integrate a separate tank. Many who bought the separator kit aren't worried about that and this was just another solution. Any common sight glass made with borosilicate glass won't discolor or fog up, despite 180s concerns. If they did, you wouldn't see them used on many motorcycles as oil level viewers now would ya. This was just a thought to give those with no separate tank some peace of mind.