I am going to presume you mean the windscreen washer. The best fix is to just replace either one that is leaking. The "bottle" is usually made of plastic and is pretty hard to repair with any certainty that it will not leak again.
Blocked hose? Hole in the water container (which stops the water pressure within the bottle) ?
Check radiator hose, leaking water pump, look for hole in radiator, leaking coolant bottle or leaking seals.
Is the water hose leaking where it connects?
Your engine may have a leaking hose connection or a leaking gasket at the water outlet. It could also be a leaking hose.
Is your water hose faucet leaking and needs fixing?
To fix a leaking water hose end, you can try tightening the connection, replacing the washer, or using a hose repair kit. If these solutions don't work, you may need to replace the hose end or the entire hose.
Is your outdoor water faucet leaking and in need of fixing?
Usually a leaking hose into or out of the water pump (depending on its location), or the water pump gasket.
Leaking from? Hose Water pump Intake gasket
Hose leaking Water pump leaking
only if the gasket under thermostat is leaking and may-be it's the hose clamp on the hose that is leaking
Yes, the toilet is leaking from the hose.