Thanks for all the testing videos!! What sort of adapter piece are you using to allow the stempod to be used with water?
Using a US 18mm m2m. your standard ISO m2m will work too (assuming 18mm not 14mm). The specific length doesn't really matter with the StemPod, it is very compatible to hit many lengths.
@Summer I agree with
@duff 90% of male ends I come across or have seen anywhere are ISO. With the StemPod though it won't matter, even the craziest of 18mms still work with the ORing installed, Dan did an amazing job with it.
The only reason length matters in the Splinter is because the screen is shallow and male end will press against the screen. Dan engineered the the StemPod with a deep seated screen so it is compatible with all lengths. Keep in mind, there are 2 ways to use the StemPod, with the Oring, and without. With the ORing is stock setup, most people will probably never remove as it comes installed and works great, and with the ORing, 90% of Male ends that are 18mm will fit. They can be super long, super short, any end of the extreme and they all fit. Every single one of my 18mm male ends fit in the StemPod with the Oring (and basically without too but we'll get to that).
Now without the ORing the results could be slightly different. Again, the LENGTH will not matter, nearly everything 18mm will fit in the StemPod because of the deep seated screen. The ORing is in place to account for variations in WIDTH. If one has too small of a diameter and cannot seal properly without the ORing, it will 90% sure fit with the Oring. The ONLY way I can see an 18mm not fitting is if it just so goddam wide that it doesn't even slide into the StemPod to begin with, just can't even fit in the hole, but I assume something like this would never make it to market. I really think the StemPod with the oring is 99% compatible with all 18/19mm glass pieces.
The reason I like without the ORing is simply because I'm not used to it and my usage style through water does not agree. I like to cruise mode and spin my vape ontop of the male end for a little more involved experience and even heating. This goes back to my Nano days back in 2015 and followed through with my LSV and Lotus days. I also like how easily I can pull the vape off the water to stir without the ORing. It takes 1 hand and is a simple lift. With the Oring, it seals in the ring and the oring actually grabs the glass. If you want to pull the StemPod off your bubbler, you need to take the Male end in 1 hand and the StemPod in the other and pull them apart. It is not difficult, they come right apart, but it is not necessarily a 1 handed system and takes 1-2 seconds longer than without the oring. It also cannot really spin freely with the ORing because of the added resistance/grip/friction.
The fact that the StemPod can do both is an amazing feature. When I'm out and about I 100% use the oring every time as it keeps the stem seated securely. You load up a stem, throw it in the StemPod with the oring, and you can literally (don't quote me) swing your StemPod around with the stem. It does not detach, it is secure. Perfect for out and about.
In my opinion, there is no need to specify the 18mm with the StemPod, 18/22 18/19, 18/26, 18/xyz, they will probably all fit. Go back to the good old days with a bowl and a bong and a lighter, no one knew what any of that shit meant. They just knew they needed the bigger sized male to fit their bigger sized female, or the smaller sized male to fit the smaller sized female. That's basically what we're working with here, just the bigger male (18mm) to fit bigger female (18mm).
Maybe..MAYBE..in the future when everyone has StemPods and you see little children running with their fathers who have StemPods and little children themselves running with their StemPods (wait I'm getting ahead of myself), maybe we will see a pattern of which size fits more consistently without the Oring. But as stock with the ORing they're essentially all the same.