Check the set you actually use in PvP
Equip your PvP loadout before refreshing. Compare reported PvP item levels, set effects, gems and enchants with players in the same bracket and specialization; do not replace it using a PvE stat ranking.
General practice guidance, not a fault detected in your character or a guaranteed performance gain.
Check WoW · Guardian Druid ↗Check WoW practice checklist · not a Wowhead-derived rotation rule