Coolant leak can't find where it's leaking to or from what should I replace

What is your question?

tailpipe no steam. bypassd heater core 3months ago. Unbypassed . 3 dayd later. replaced lower upper radiator hoses , thermostat . Nothing changes the problem unless the fluid gets too low which I don't allow that the gauge would fluctuate up and down up and down on a steady 55 mile an hour drive not always sometimes I can turn on the heater it will make a difference sometimes it doesn't also it's not leaking inside of the vehicle on the floor as liquid or Steam and the heater does work the air conditioner does not blow cold air. When I turn on the heater it does seem to affect the temperature gauge

What makes this problem better or worse?

'a couple tablespoons of black pepper or bars stop leak added to the radiator while it's hot seems to slow the problem down bu

How long has your 1993 Ford Explorer had this problem?

8month