Quote Originally Posted by killerweed420
Doesn't seem to be any QF 4.2 just the same 4.0
Killer, Jeffman is actually right about QF 4.2 (good ear to the ground there Jeff:thumbsup. Its slowly being phased in, which is probably the reason why Spectrum is holding back on updating their website, to include the new QF 4.2.
Admittedly my eyebrows were raised when Jeff first broke the news on another thread a few days ago. I did phoned Spectrum, and the lady rep did confirm to me about QF 4.2. She didnt want to go into hard details, but she did inform that the QF 4.0 is still good as long as the batch number ends in "06" and later (the batch number is found on the enclosed instructions sheet inside the box. The batch number translates the date of manufacture)... 4.0's with a batch numbers ending in "03"-"05" are currently on the recall list and should be exchanged at Spectrum Labs.

When I asked the rep of any physical differences or any constituential changes made to the QF, she replied that the 4.2 will still be in the same 2 oz bottle as the 4.0 and basic formulation remains unchanged. Prices are the same between the 4.0 and 4.2. All of her answers, however brief, led me to believe that the 4.2 is being phased in slowly.

I fully expect 4.2 to officially replace 4.0 by the start of the new decade. The 4.0, a formulation in its fifth year (as of this writing), is becoming old. I was there when 3.0 was the formulation and the 3.0 didnt enjoy such a long run like its 4.0 successor.
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