Makes species mutation a bit easier.

code/modules/hydroponics/hydro_tray.dm

@@ -197,7 +197,7 @@
 	// Other plants also mutate if enough mutagenic compounds have been added.
 	if(!seed.immutable)
 		if(prob(min(mutation_level,100)))
-			mutate((rand(100) < 25) ? 2 : 1)
+			mutate((rand(100) < 15) ? 2 : 1)
 			mutation_level = 0
 
 	// Maintain tray nutrient and water levels.
@@ -500,7 +500,7 @@
 		return
 
 	// Check if we should even bother working on the current seed datum.
-	if(seed.mutants. && seed.mutants.len && severity > 1 && prob(10+mutation_mod))
+	if(seed.mutants. && seed.mutants.len && severity > 1)
 		mutate_species()
 		return