finally actually fixes the blood decals

code/game/objects/effects/decals/Cleanable/humans.dm

@@ -18,13 +18,13 @@
 
 /obj/effect/decal/cleanable/blood/New()
 	..()
-	remove_ex_blood()
-
-/obj/effect/decal/cleanable/blood/proc/remove_ex_blood() //removes existant blood on the turf
-	if(src.loc && isturf(src.loc))
-		for(var/obj/effect/decal/cleanable/blood/B in src.loc)
-			if(B != src)
-				qdel(B)
+	if(src.type == /obj/effect/decal/cleanable/blood)
+		if(src.loc && isturf(src.loc))
+			for(var/obj/effect/decal/cleanable/blood/B in src.loc)
+				if(B != src)
+					if (B.blood_DNA)
+						blood_DNA |= B.blood_DNA.Copy()
+					qdel(B)
 
 /obj/effect/decal/cleanable/blood/splatter
 	random_icon_states = list("gibbl1", "gibbl2", "gibbl3", "gibbl4", "gibbl5")
@@ -61,9 +61,6 @@
 /obj/effect/decal/cleanable/blood/gibs/ex_act(severity, target)
 	return
 
-/obj/effect/decal/cleanable/blood/gibs/remove_ex_blood()
-    return
-
 /obj/effect/decal/cleanable/blood/gibs/up
 	random_icon_states = list("gib1", "gib2", "gib3", "gib4", "gib5", "gib6","gibup1","gibup1","gibup1")
 
@@ -95,8 +92,9 @@
 				break
 
 /obj/effect/decal/cleanable/blood/drip
-	name = "drip of blood"
+	name = "drips of blood"
 	desc = "It's red."
+	gender = PLURAL
 	icon = 'icons/effects/drip.dmi'
 	icon_state = "1"
 	random_icon_states = list("1","2","3","4","5")

code/modules/mob/living/carbon/human/blood.dm

@@ -258,6 +258,7 @@ proc/blood_incompatible(donor,receiver,donor_species,receiver_species)
 	return 0
 
 proc/blood_splatter(var/target,var/datum/reagent/blood/source,var/large)
+
 	var/obj/effect/decal/cleanable/blood/B
 	var/decal_type = /obj/effect/decal/cleanable/blood/splatter
 	var/turf/T = get_turf(target)