diff --git a/kubejs/server_scripts/ad_astra/tags.js b/kubejs/server_scripts/ad_astra/tags.js
index e848080eb..3ed0f617a 100644
--- a/kubejs/server_scripts/ad_astra/tags.js
+++ b/kubejs/server_scripts/ad_astra/tags.js
@@ -24,6 +24,12 @@ const registerAdAstraFluidTags = (event) => {
 	event.add('ad_astra:tier_1_rover_fuel', 'gtceu:cetane_boosted_diesel')
 	event.add('ad_astra:tier_1_rover_fuel', 'gtceu:gasoline')
 	event.add('ad_astra:tier_1_rover_fuel', 'gtceu:high_octane_gasoline')
+
+	event.add('ad_astra:zip_gun_propellants', 'tfg:compressed_nitrox')
+	event.add('ad_astra:zip_gun_propellants', 'tfg:compressed_heliox')
+	event.add('ad_astra:zip_gun_propellants', 'tfg:compressed_heliox_3')
+	event.add('ad_astra:zip_gun_propellants', 'tfg:compressed_trimix')
+	event.add('ad_astra:zip_gun_propellants', 'tfg:compressed_trimix_3')
 }
 
 const registerAdAstraItemTags = (event) => {
@@ -186,7 +192,6 @@ const registerAdAstraBiomeTags = (event) => {
 const registerAdAstraEntityTypeTags = (event) => {
 
 	// moon
-
 	const MOON_ENTITIES = [
 		'tfc:rat',
 		'minecraft:rabbit',
@@ -195,11 +200,12 @@ const registerAdAstraEntityTypeTags = (event) => {
 		'minecraft:shulker_bullet',
 		'minecraft:skeleton',
 		'species:limpet',
+		'species:birt',
 		'endermanoverhaul:windswept_hills_enderman',
 		'endermanoverhaul:soulsand_valley_enderman',
 		'endermanoverhaul:spirit',
 		'endermanoverhaul:end_enderman',
-		'endermanoverhaul:end_islands_enderman'
+		'endermanoverhaul:end_islands_enderman',
 	]
 
 	MOON_ENTITIES.forEach(entity => {
@@ -215,6 +221,11 @@ const registerAdAstraEntityTypeTags = (event) => {
 	event.add('tfc:deals_piercing_damage', 'endermanoverhaul:end_enderman')
 	event.add('tfc:deals_crushing_damage', 'endermanoverhaul:end_islands_enderman')
 	event.add('tfc:deals_crushing_damage', 'ad_astra:star_crawler')
+
+	event.add('tfg:ignores_gravity', 'minecraft:shulker_bullet')
+	event.add('tfg:ignores_gravity', 'endermanoverhaul:spirit')
+	event.add('tfg:ignores_gravity', 'species:birt')
+	event.add('tfg:ignores_gravity', 'ad_astra:star_crawler')
 }
 
 const registerAdAstraPlacedFeatures = (event) => {
diff --git a/kubejs/startup_scripts/gtceu/tag_prefixes.js b/kubejs/startup_scripts/gtceu/tag_prefixes.js
index 17fb5b148..3e15958a2 100644
--- a/kubejs/startup_scripts/gtceu/tag_prefixes.js
+++ b/kubejs/startup_scripts/gtceu/tag_prefixes.js
@@ -97,4 +97,6 @@ const registerGTCEuTagPrefixes = (event) => {
 
 	TagPrefix.rawOreBlock.defaultTagPath("raw_ore_blocks/%s")
 	TagPrefix.rawOreBlock.unformattedTagPath("raw_ore_blocks")
+
+	TagPrefix.rawOre.setIgnored(GTMaterials.Iron);
 }
\ No newline at end of file