Posted per request 
Here is a nice pure Sweet Tooth #4 grown by Phillthy from special stock
Well there is of course the original Sweet Tooth F1 hybrid of the SPG clone mother x DJ's BB male from the mid 90's, this leaned to the BB side of things in many phenos. This would be the original. Steve made these in Canada while supplying seeds to Marc Emery.
Some selection & backcrossing and such went on of the F1 to the SPG clone and these were sold as Sweet Tooth as well on Marc Emery's website but it noted they were a backcross (Bx1) to the SPG and not just an F1. Alot of people bought these back in the late 90's and know this as the first "Sweet Tooth". Then there was a Sweet Tooth Bx2 which was the third generation of the line that had been backcrossed now twice to the SPG clone. That was never really released for sale commercially but used for breeding by Steve. This was said to be a high yielding generation and very SPG dominant & consistent.
Then there is the very well known and now highly sought after Sweet Tooth #3 which was released in a large quantity by Spice of Life seeds back in the early 2000's. These came from Steve while he was doing huge seed grows in Switzerland and made some of the best genetic crosses that still exist today in the Cannabis world. This was the fourth generation of Sweet Tooth having been backcrossed once again (3 times total) to Steve's favorite SPG clone mother with a special Sweet Tooth Bx2 father that also makes up the male side of crosses like LUI, Blockhead, Blue Satellite 2, Tropicana, & others from that time frame. It was a true stud & proven to have championed some world class offspring!
Then there is the last & final version from Steve himself with the original father he used in Switzerland that came out in 2002-2003 in a much smaller quantity and that was Sweet Tooth #4 which was from an inbred line of the third generation Sweet Tooth (Bx2) line that Steve grew specifically to select for early flowering and high mold resistance since the Sweet Tooth #3 was a known mold magnet outdoors due to such dense colas. The female(s) he chose were then re-pollinated by the same proven Sweet Tooth Bx2 male that had fathered the Swt #3 to begin with to basically make as close to an IBL as you are gonna get at that fifth generation of seed. The Sweet Tooth #4 is more frosty and very SPG dominant as far as aroma's & structure go, much more like the SPG mother than anything else that he always had selected for trait wise in choosing parents because he loved the SPG so much. This strain is great for making hash thanks to the plentiful long stalked bulbous trichomes full of magic resins.
So in the end, the far more rare Sweet Tooth #4 is my favorite and it's totally covered in frosty white trichomes with a super sweet pink grapefruit rind acrid citrus aroma to the buds. It is not as chunky as the #3 as far as straight yield goes but it still has quite high yielding phenos for sure. It's far more suited to humid conditions without the mold issues the #3 can have. It is a great strain for hashmaking also and produces exquisite full melt bubble. The high is totally blissful and very positive with very low to no paranoia or fearful effects. The warm smiling buzz really does keep you happy & positive and the plants are simply beautiful with big Indica leaves and red/purple striped stems that smell like heaven. The medical effects are anti-depressant and anti-anxiety with excellent stress relief qualities perfect for a grower to smoke. This one is my all time favorite and was the final version released from Breeder Steve himself & made in Switzerland before SOL got raided by Swiss authorities.
The far newer Sweet Tooth 1.1 (or GF x BB, is the same exact strain) was basically a remake of the first F1 cross using the genuine SPG clone but with a newer & different "True Blueberry" male sourced from DJ Short. Chimera made these seeds for Spice of Life since Steve was no longer making seeds and people have had some great results with it yield wise but it's different than the originals and does not come from the same special Bx2 Swt father that comprised mostly all of the old SOL strains out of Switzerland. That does not mean it is not a good strain it's just different because of the newer BB male used and it is not backcrossed to the SPG at all.
So there you have it, that is what I know regarding the different Sweet Tooth's and their basic history. Keep it grapefruity! -SOTF420
Here is a nice pure Sweet Tooth #4 grown by Phillthy from special stock
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After rereading, maybe we aren't referring to the same gentics, but nonetheless these are some very nice ones.
