diff --git a/src/elements/co2.cpp b/src/elements/co2.cpp
index 62bc64643..b267a73bf 100644
--- a/src/elements/co2.cpp
+++ b/src/elements/co2.cpp
@@ -27,5 +27,20 @@ int update_CO2(UPDATE_FUNC_ARGS) {
 					sim->kill_part(r>>8);
 				}
 			}
+	if (parts[i].temp > 9773.15 && sim->pv[y/CELL][x/CELL] > 200.0f)
+	{
+		if (rand()%5 < 1)
+		{
+			int j;
+			sim->kill_part(i);
+			j = sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_NEUT); if (j != -1) parts[j].temp = 15000;
+			j = sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_ELEC); if (j != -1) parts[j].temp = 15000;
+			j = sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_O2);  if (j != -1) parts[j].temp = 15000;
+			j = sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_SING); if (j != -1) { parts[j].temp = 15000; parts[i].life = rand()%100+450; }
+
+			parts[i].temp += 15000;
+			sim->pv[y/CELL][x/CELL] += 100;
+		}
+	}
 	return 0;
 }
diff --git a/src/elements/h2.cpp b/src/elements/h2.cpp
index 8ebc1a9bb..fc2e6c894 100644
--- a/src/elements/h2.cpp
+++ b/src/elements/h2.cpp
@@ -46,8 +46,8 @@ int update_H2(UPDATE_FUNC_ARGS)
 			float temp = parts[i].temp;
 			sim->part_change_type(i,x,y,PT_PLSM);
 			parts[i].life = rand()%150+50;
-			j = sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_NEUT);
-			j = sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_ELEC);
+			sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_NEUT);
+			sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_ELEC);
 			j = sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_PHOT);
 			if (j != -1) { parts[j].ctype = 0xFFFF00; parts[j].temp = temp; }
 
diff --git a/src/elements/nble.cpp b/src/elements/nble.cpp
index c35859fde..13e484504 100644
--- a/src/elements/nble.cpp
+++ b/src/elements/nble.cpp
@@ -2,7 +2,7 @@
 
 int update_NBLE(UPDATE_FUNC_ARGS)
 {
-	if (parts[i].temp > 5273.15 && sim->pv[y/CELL][x/CELL] > 50.0f)
+	if (parts[i].temp > 5273.15 && sim->pv[y/CELL][x/CELL] > 100.0f)
 	{
 		parts[i].tmp = 1;
 		if (rand()%5 < 1)
@@ -11,13 +11,13 @@ int update_NBLE(UPDATE_FUNC_ARGS)
 			float temp = parts[i].temp;
 			sim->part_change_type(i,x,y,PT_PLSM);
 			parts[i].life = rand()%150+50;
-			sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_NEUT);
-			sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_ELEC);
+			j = sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_NEUT); if (j != -1)
+			j = sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_ELEC); if (j != -1)
 			j = sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_PHOT);
 			if (j != -1) { parts[j].ctype = 0xFF0000; parts[j].temp = temp; }
 
 			j = sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_CO2);
-			if (j != -1) parts[j].temp = temp;
+			if (j != -1) parts[j].temp = temp-1000;
 
 			parts[i].temp += 10000;
 			sim->pv[y/CELL][x/CELL] += 30;