Sorry Beth
I meant to answer the other part of your questions? IMHO yes you still need to pretreat certain stains, even when using STPP. And general rules still apply for wash temps according to fabrics and soil levels.
You also asked if one needs to "add the STPP first mix, then add detergent"
Id say yes to that too. (But that just me)
I fill the machine and wait for agitation, add STPP, continue to agitate for a min or so. Then I add the detergent, and wait another min before adding clothes.
I still think its a good idea to find out how hard you water actually is. If it's not to hard...for no other reason other than to not waste your STPP by over dosing.
HTH
I meant to answer the other part of your questions? IMHO yes you still need to pretreat certain stains, even when using STPP. And general rules still apply for wash temps according to fabrics and soil levels.
You also asked if one needs to "add the STPP first mix, then add detergent"
Id say yes to that too. (But that just me)
I fill the machine and wait for agitation, add STPP, continue to agitate for a min or so. Then I add the detergent, and wait another min before adding clothes.
I still think its a good idea to find out how hard you water actually is. If it's not to hard...for no other reason other than to not waste your STPP by over dosing.
HTH