Out of interest, have you actually owned/had much experience using a SiC Halo? You say that this SiC insert is much better than the SiC halo without any explanation as to why?
On the face of it (and with feedback from a fellow FCer who owns both) I am told that the SiC insert x Liger combo is not as good as the halo for larger dabs. From your pics it is easy to see how the oil could overflow into the Ti, especially when bumping occurs (bumping is common at low temps like you describe!) and potentially get sucked straight up the banger intake going into the rig (which is what put me off other bangers far more expensive in the past).
I have no reason to think that the SiC insert x Liger is a bad nail - I expect it to be excellent compared to most other stuff out there! Still, I don't see any justification for saying it is better than the SiC halo, nor even setting it apart from the halo (which I also get no trails from at 560f) aside from the form factor and smaller dish. Last I checked the larger SiC halo with slim series base was a good chunk cheaper than the Liger with SiC insert too.
Is there any specific reason you have not yet identified that makes you think the Liger x SiC insert is 'leaps and bounds better' than the SiC Halo? Please do not take this as a criticism of yourself, I am genuinely interested to know why you think this is the case.
I have taken some of the biggest dabs I could imagine anyone taking with my 20mm Liger with SiC insert. Never had any overflow at all? In fact it seems like I could dab damn near a half gram in that bucket with no overflow? I would have to turn the temp up to fully vaporize it but it wouldn't be sucked into my drop down. I don't know about you but if your enail is at a good temp you should be getting HUGE hits off of tiny sized dabs anyway right? I noticed I get MUCH more from a .1g dab than I used to off of the torch and quartz or even my old Ti Enail. I have tried both and I too think the Liger V2.0 is the better of the two products. Maybe not by leaps and bounds but I definitely prefer it. It's hard to imagine much better dabs than I get off of either of these setups, I just prefer the Liger.
Just emailed Josh and looks like I am going to purchase the liger soon.
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