I'm adding it 1-2 times a day right now. It doesn't leak when it's sitting there, it only leaks when it's running - and it seems mostly when it's moving. There is coolant splattered all over the underneath of my car because it comes out when it's moving and I can't pin down where it's coming from. I just did a coolant flush Wednesday so I think I cleaned out some dirt that was plugging a hole or something, or something isn't connected right. I just don't have enough downtime in daylight hours to thoroughly check it.