Let's not forget this.

code/modules/hydroponics/hydroponics_chemreact.dm

@@ -0,0 +1,32 @@
+/**
+  *This is NOW the gradual affects that each chemical applies on every process() proc. Nutrients now use a more robust reagent holder in order to apply less insane
+  * stat changes as opposed to 271 lines of individual statline effects. Shoutout to the original comments on chems, I just cleaned a few up.
+  */
+/obj/machinery/hydroponics/proc/apply_chemicals(mob/user)
+	///Contains the reagents within the tray.
+	if(myseed)
+		myseed.on_chem_reaction(reagents) //In case seeds have some special interactions with special chems, currently only used by vines
+	for(var/c in reagents.reagent_list)
+		var/datum/reagent/chem = c
+		chem.on_hydroponics_apply(myseed, reagents, src, user)
+
+
+/obj/machinery/hydroponics/proc/mutation_roll(mob/user)
+	switch(rand(100))
+		if(91 to 100)
+			adjustHealth(-10)
+			visible_message("<span class='warning'>\The [myseed.plantname] starts to wilt and burn!</span>")
+			return
+		if(41 to 90)
+			if(myseed && !self_sustaining) //Stability
+				myseed.adjust_instability(5)
+				return
+		if(21 to 40)
+			visible_message("<span class='notice'>\The [myseed.plantname] appears unusually reactive...</span>")
+			return
+		if(11 to 20)
+			mutateweed()
+			return
+		if(1 to 10)
+			mutatepest(user)
+			return