I make it a habit to check engine oil,water fluids,window washer,all the lights and tyre pressure everyday

I hope you dont just add water to your coolant. Long term, your water Pump will be rusty and engine will overheat. I already kena for my car. Long term it will affect alot of things around the cooling system, radiator, water pump, sensors, etc etc

Add "air suling" or de-ionized water + coolant with good mixing ratio