Generally speaking,
the effectiveness of a detergent solution increases with increasing temperature.
They have no impact on
the effectiveness of the detergent itself.
The borax softens the water, increasing *
the effectiveness of the detergent.
Not exact matches
I've noticed that cold weather impacted the
effectiveness of cold water washing since the water wasn't heated enough to dissolve the
detergents.
The low cost and convenience
of one
detergent is an advantage here, plus the
effectiveness if you find a homemade
detergent that works really well with your water and machine.