Hi everyone!
Recently i bought a ipv4s with kanger sub tank mini and started vaping. Keen on changing the coil to other brands. But what would be the suitable ohm level for the coil ?
Would appreciate any help ..
First welcome to the site!
You asked a question that will result in hundreds of answers and opinions. I use the subtank mini but rebuild using the RBA section because it allows me to customize my vape and save a ton of money. Pre-made coils are expensive and need replacement. I enjoy a cool/slightly warm vape with a lot of flavor and vapor production is an afterthought. I normally build between 1.0 and .7 ohms in my subtank. When I'm feeling crazy

I go to .5.
I have a friend that keeps the 1.2 ohm coils in their STM most of the time and has .5 around to blow clouds once and a while.
You should pick up a pack of each and try them out, find out what works for you. Premade coils sometimes fail and don't allow you to tweak your vaping style. Watch some video's on building and put the RDA section to use. I use mostly 26ga Temco wire (Kanthal) on a 3mm jig with pretty good results. If you have a VW device you can check your build or you can pick up an inexpensive meter. Personally I just use my device but I've been building a while and pay a lot of attention to safety when building.
These are estimates, YMMV
26ga -
Kanthal A1
3mm 5 wraps 0.82Ω
3mm 6 wraps 0.89Ω
3mm 7 wraps 1Ω
27ga - Kanthal A1
3mm 7 wraps 1.1Ω
3mm 8 wraps 1.3Ω
3mm 9 wraps 1.4Ω
Good luck. The STM is a nice tank when it is set up correctly.