I saw this and I said : I will try once if dont like it I will trash it (596 items at left) altereGo lab test - facebook comments [2]

PG/VG
100% PG : 100% PG. Will produce NO vapor, and LOTS of throat hit
100 %VG : 100% VG. Will produce NO throat hit, and LOTS of vapor

80% PG and 20% VG = intense flavor and strong hit
PG is less sticky than VG (aka VG is thicker) source

Coils of 1.5Ω - 2.5Ω - it's ideal to start with a 70% PG eliquid
Coils of 1.0Ω - 1.4Ω - generally best suited to the thicker 50% VG juices
Coils less than 1.0Ω (sub-Ohm) - Generally suited to anything from 50% VG right through to max VG.
Mesh Coil - OBS Engine II S [2]

High PG eliquids are suit for low power ecig devices. High VG eliquids are suit for High power ecig devices. source1 | source2

Higher VG means more steep time and possibly also more flavoring is needed. source | Wholesale Manager at Shenzhen Laisimo

With a base of 70/30 of PG/VG: use 8% flavor
With a base of 50/50 of PG/VG: use 10% flavor
With a base of 30/70 of PG/VG: use 12% flavor
With a base Full VG: use 15% flavor

PG = gives a dry and scratchy throat also create some allergic reaction similar to rash.
VG = known to cause phlegm (mucus) and some degree of coughing.

[PG vs VG]   [PG vs VG 2]   [inforgraph]   [inforgraph2]

The useful life of all batteries is 300 charging cycles. This means that charging for even 5 minutes counts for one charging cycle.

howto..

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Dampfnation (DE shop)
alterego (GR shop)
replace smoke (GR shop)
smok-e (GR wholesaler)
win-win (GR wholesaler)

recipes - http://e-liquid-recipes.com/
rate base / flavors [GR] - ex e-kapnisma.gr
excel ratings - Google Drive

Articles:
(2013) Big Tobacco Begins its Takeover of the E-Cigarette Market
(2015) E-Cigarette Affects the Metabolome of Primary Normal Human Bronchial Epithelial Cells
(2016) TPD Compliant - only if eliquid contains nicotine [2]
(2017) Cinnamon, banana, coca-cola, vanilla and menthol are toxic
(2018) Cinnamon, vanilla and butter chemicals were the most toxic [2]
(2018) Study finds e-cigs may damage heart and lungs
(2018) Study says e-cigarettes increase risk of cancer and heart disease
(2018) E-Cig Vapor Might Be Carcinogenic, Mice Study Suggests
(2018) E-cigarette flavors found to be toxic  Greek
(2018) How Juul made vaping viral to become worth a dirty $38 billion (bought by Marlboro owned by Philip Morris)
(2021) Gestational exposure to e-cig aerosols results in significant alterations to the amino acid profile
(2022) Mixture of coconut, vanilla, and cookie flavors causes cellular senescence

Regulation of electronic cigarettes:
wikipedia
San Francisco mayor signs ban on e-cigarettes sales
India - all set to ban e-cigarettes

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STEEPING
5 hours at 65c is fine for most steeping needs, is good for most tobaccos. After heat steeping just let the mix sit at room temperature for 2-3 days to rest will make a big difference in taste. source

methods explained vapingzone ecigarettedirect vaping360 youtube