With 100 feet of linear travel, about 20 feet of vertical head, and a lot of
backpressure from small diameter tubing, I can't see a pump that can
overcome the head, and at the same time not burst the hoses.
My strong recommendation would be to give real consideration to one of the
commercial water exchange hoses such as the Python. It can be hooked to the
in house taps, are long enough to avoid the outside trips, use house water
pressure to move the water, and are adjustable enough for your requirements.
Once the old water is siphoned away, add some water conditioner and turn on
the tap.

Jim

James wrote in message
...
I am looking for a pump that would pump 50 gallons from my garage to
my second floor tank which is about 100' feet away from the garage. I
was thinking of using the same type of tubing that is used for the
connections for RO units and such. If the pump could transfer the
water in about 1 hour or so that would be okay with me.
I am getting tired lugging 5 gallons containers up the stairs every 2
-3 weeks.
Any comments or suggestions would be appreciated.

Thks
James