O
One Day
Bestest of all sealers in my experience (now Aquastop is no more) is Universeal Rapid all-in-1 (can't link sorry!)
It used to be very smelly though, but now it's alcohol-based rather than solvent so it's low odour too.
It used to be very smelly though, but now it's alcohol-based rather than solvent so it's low odour too.