Water pressure is low? i have timed dampen coming out of cold tap surrounded by up...

i have timed dampen coming out of cold tap surrounded by up staires bathroom , its 7 liters a miniute how much should it be
Twin marine pump?
Answers:    What is it at the downstairs taps? It shouldn't be much different, if you own had spanking new taps, check the hoses are not kinked, save, you may have a blockage, check the washer is not stuck to the spaces inside the tap.
Can wood be glue to pvc pipes?
is the pressure low or not i own never heard of anyone doing your interview before.