Best product on the market to mix with concentrates

Hello,
I browsed around this forum and couldn't find much info on this subject. Recently I got turned onto the whole vape pen thing and after spending lots of money on the preloaded carts I looked into making my own since I have access to wax/shatter. Without doing much research to see what was out there, I was told about a company called farm to vape and ordered some.

The first small batch I made didn't turn out great, and I wasn't sure if it was because of the concentrate, which was a sticky sour wax or the ratio (2 to 1) was just off. It tasted fine and produced a decent cloud but some of the liquid would harden around the inside of the cartridge.

The second batch I made with some shatter, and raised the ratio to 2.5 ml per gram of concentrate. Worked great! Good taste, no hardening whatsoever. I tried again with something similar to the sour wax I had the first time, with the 2.5 to 1 g ratio and produced another perfect batch. Only thing missing is a really good flavor, so I'm looking into my options.

After some research I found some other companies I'm interested in and I'm looking for some opinions if anyone here has used these products your insight would be appreciated.

Ejmix- seems like this product has been around the longest and I've read a lot of mixed results mostly on this forum


http://vapeurextract.com/

http://www.waxliquidizer.com

https://www.mrextractor.com


Thanks in advance!

I do a 1:1 by weight, not volume. I also use bho and peg 400 usp as my base. You can also flavor the mix by adding some food grade flavorings. Be warned!!! One drop goes a LOOOOOONG wat. Over do it and your mix is gonna taste rancid.