Anyone with a Reaper have this problem? Using it in MTL mode, have plenty of experience building but, by christ, I can't get the fucker to stop whistling. Used both the 1.8mm and 2.7mm deck, the 1.8mm deck was much worse than the 2.7mm deck, but it's still there. Tried lifting the coil, lowering the coil, using more cotton, using less cotton, spent 10 minutes making sure that none of my cotton was anywhere near the airflow path etc... It's annoying because aside from the whistling, it's a lovely tank to work with and gives some stellar flavour. Also, as a slight aside, for MTL, does anyone else find the 2.7mm deck to be a better MTL vape than the "MTL" deck?? @Rob Any advice?