The GE/Kenmore/Frigidaire sibling FLs are good machines, but the little differences between them matter. We used to have a Kenmore version; for that machine, one cold wash, then one hot wash, both with extra rinse on, worked great.
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Then its bearings died (after 7 years) and we had to replace with the Frigidaire flavor; same machine, different controls, and the spin speed is not as high. Because of the change in spin speed, from I think 100 RPM to something like 700 RPM, we now have to run two hot washes after the cold wash to stop hemp inserts from building up stink after a few washes... waaaaah.
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(My husband keeps threatening to replace the circuit boards on the Frigidaire so its spin will go just as fast as the old one did-- let's overclock our front loader! oh yeah... but he hasn't done it yet.)