diff -r 307640ba6ab6 -r 047ead629d4a bmsd/fermenters.c
--- a/bmsd/fermenters.c	Wed Feb 27 14:40:05 2019 +0100
+++ b/bmsd/fermenters.c	Wed Feb 27 22:13:07 2019 +0100
@@ -131,6 +131,12 @@
 		free(fermenter->beeruuid);
 	    fermenter->beeruuid = xstrcpy((char *)json_object_get_string(val));
 	}
+	if (json_object_object_get_ex(sensor, "yeast_lo", &val)) {
+	    fermenter->yeast_lo = json_object_get_double(val);
+	}
+	if (json_object_object_get_ex(sensor, "yeast_hi", &val)) {
+	    fermenter->yeast_hi = json_object_get_double(val);
+	}
     }
     if (json_object_object_get_ex(jobj, "air", &sensor)) {
 	if (json_object_object_get_ex(sensor, "address", &val)) {
@@ -306,6 +312,8 @@
 	    fermenter->profile_uuid = fermenter->profile_name = fermenter->profile_state = fermenter->profile_steps = NULL;
 	    fermenter->profile_percent = 0;
 	    fermenter->profile_inittemp_high = fermenter->profile_inittemp_low = 0.0;
+	    fermenter->yeast_lo = 12;
+	    fermenter->yeast_hi = 24;
 	}
     }
     json_object_put(jobj);