When using glowstone on a respawn anchor, the anchor is charged, but the glowstone is not consumed.
Using glowstone on the Respawn Anchor doesn't use the glowstone.
Use respawn anchor can't consume glowstone and shroomlight in survival
An anchor problem with glowstone
Respawn Anchor not consuming glowstone in survival
Respawn Anchor и Светокамень
Respawn anchor does not drop stored glowstone upon being broken