diff --git a/code/modules/reagents/chemistry/holder.dm b/code/modules/reagents/chemistry/holder.dm
index bf3c4220b4..07db94aad7 100644
--- a/code/modules/reagents/chemistry/holder.dm
+++ b/code/modules/reagents/chemistry/holder.dm
@@ -188,17 +188,20 @@
 	amount = min(min(amount, src.total_volume), R.maximum_volume-R.total_volume)
 	var/part = amount / src.total_volume
 	var/trans_data = null
+	var/list/transferred = list()
 	for(var/reagent in cached_reagents)
 		var/datum/reagent/T = reagent
 		var/transfer_amount = T.volume * part
 		if(preserve_data)
 			trans_data = copy_data(T)
-
+		transferred += "[T] - [trasnfer_amount]"
 
 		R.add_reagent(T.type, transfer_amount * multiplier, trans_data, chem_temp, T.purity, pH, no_react = TRUE, ignore_pH = TRUE) //we only handle reaction after every reagent has been transfered.
-
 		remove_reagent(T.type, transfer_amount, ignore_pH = TRUE)
 
+	var/location_string = "FROM [(us && "[us] [COORD(us)]") || "NULL"] TO [(them && "[them] [COORD(them)]") || "NULL"]"
+	log_reagent_transfer("TRANSFER - [location_string] - [key_name(usr)]: trans_to with arguments [target] [amount] [multiplier] [preserve_data] [no_react] and reagents [english_list(trasnferred)]")
+
 	update_total()
 	R.update_total()
 	if(!no_react)
@@ -257,8 +260,11 @@
 			if(preserve_data)
 				trans_data = current_reagent.data
 			R.add_reagent(current_reagent.type, amount, trans_data, chem_temp, current_reagent.purity, pH, no_react = TRUE)
-
 			remove_reagent(current_reagent.type, amount, 1)
+			var/atom/us = my_atom
+			var/atom/them = their_atom
+			var/location_string = "FROM [(us && "[us] [COORD(us)]") || "NULL"] TO [(them && "[them] [COORD(them)]") || "NULL"]"
+			log_reagent_transfer("TRANSFER - [location_string] - [key_name(usr)]: trans_id_to with arguments [target] [reagent] [amount] [preserve_data]")
 			break
 
 	src.update_total()