mid level

Howdy new but not new, so I've got one coil to glow nice but my other coil in my duel doesn't seam to go above a slight glow any clues. Setup: Geekvape blade Baby beast brother SS 316 Clapton 5 wraps 2.5mm inner 30g Dry burning at 40watts Vapes at 80 0.15 ohms Any help would be grand Salliv