Makes buckets, sinks and tanks transfer more by default and adds info about changing the transfer amount (#10467)

code/game/objects/structures/watercloset.dm

@@ -396,9 +396,10 @@
 	icon = 'icons/obj/watercloset.dmi'
 	icon_state = "sink"
 	desc = "A sink used for washing one's hands and face."
+	desc_info = "You can right-click this and change the amount transferred per use."
 	anchored = 1
 	var/busy = 0 	//Something's being washed at the moment
-	var/amount_per_transfer_from_this = 10
+	var/amount_per_transfer_from_this = 300
 	var/possible_transfer_amounts = list(5,10,15,25,30,50,60,100,120,250,300)
 
 /obj/structure/sink/verb/set_APTFT() //set amount_per_transfer_from_this