diff --git a/src/simulation/elements/GLOW.cpp b/src/simulation/elements/GLOW.cpp
index ef8bb6a1c..c621e142d 100644
--- a/src/simulation/elements/GLOW.cpp
+++ b/src/simulation/elements/GLOW.cpp
@@ -59,17 +59,21 @@ static int update(UPDATE_FUNC_ARGS)
 				auto r = pmap[y+ry][x+rx];
 				if (!r)
 					continue;
+
 				if (TYP(r)==PT_WATR && sim->rng.chance(1, 400))
 				{
 					sim->kill_part(i);
 					sim->part_change_type(ID(r),x+rx,y+ry,PT_DEUT);
 					parts[ID(r)].life = 10;
+
 					return 1;
 				}
 				else if (TYP(r) == PT_GEL) //GLOW + GEL = RSST
 				{
 					sim->kill_part(i);
 					sim->part_change_type(ID(r),x+rx,y+ry,PT_RSST);
+					parts[ID(r)].tmp = 0;
+
 					return 1;
 				}
 			}
diff --git a/src/simulation/elements/NEUT.cpp b/src/simulation/elements/NEUT.cpp
index f7d2fd351..319feac69 100644
--- a/src/simulation/elements/NEUT.cpp
+++ b/src/simulation/elements/NEUT.cpp
@@ -54,6 +54,8 @@ void Element::Element_NEUT()
 
 static int update(UPDATE_FUNC_ARGS)
 {
+	auto &sd = SimulationData::CRef();
+	auto &elements = sd.elements;
 	unsigned int pressureFactor = 3 + (int)sim->pv[y/CELL][x/CELL];
 	for (int rx = -1; rx <= 1; rx++)
 	{
@@ -178,7 +180,7 @@ static int update(UPDATE_FUNC_ARGS)
 						sim->create_part(ID(r), x, y, ct_under);
 
 						//If there's a correct tmp set, use it for ctype
-						if(tmp_under > 0 && ct_under < PT_NUM)
+						if((tmp_under > 0) && (tmp_under < PT_NUM) && (elements[ct_under].CarriesTypeIn & (1U << FIELD_CTYPE)))
 							parts[ID(r)].ctype = tmp_under;
 					}
 					else
diff --git a/src/simulation/elements/PHOT.cpp b/src/simulation/elements/PHOT.cpp
index ef3a33934..17cabaab1 100644
--- a/src/simulation/elements/PHOT.cpp
+++ b/src/simulation/elements/PHOT.cpp
@@ -57,6 +57,9 @@ void Element::Element_PHOT()
 
 static int update(UPDATE_FUNC_ARGS)
 {
+	auto &sd = SimulationData::CRef();
+	auto &elements = sd.elements;
+
 	if (!(parts[i].ctype&0x3FFFFFFF)) {
 		sim->kill_part(i);
 		return 1;
@@ -121,7 +124,7 @@ static int update(UPDATE_FUNC_ARGS)
 					sim->create_part(ID(r), x, y, ct_under);
 
 					//If there's a correct tmp set, use it for ctype
-					if(tmp_under > 0 && ct_under < PT_NUM)
+					if((tmp_under > 0) && (tmp_under < PT_NUM) && (elements[ct_under].CarriesTypeIn & (1U << FIELD_CTYPE)))
 						parts[ID(r)].ctype = tmp_under;
 				}
 				else
diff --git a/src/simulation/elements/RSST.cpp b/src/simulation/elements/RSST.cpp
index 2f0c5eb90..747b52ced 100644
--- a/src/simulation/elements/RSST.cpp
+++ b/src/simulation/elements/RSST.cpp
@@ -33,6 +33,7 @@ void Element::Element_RSST()
 	Description = "Resist. Solidifies on contact with photons, is destroyed by electrons and spark.";
 
 	Properties = TYPE_LIQUID|PROP_CONDUCTS|PROP_LIFE_DEC|PROP_NEUTPASS;
+	CarriesTypeIn = (1U << FIELD_CTYPE) | (1U << FIELD_TMP);
 
 	LowPressure = IPL;
 	LowPressureTransition = NT;
@@ -80,6 +81,13 @@ int update(UPDATE_FUNC_ARGS)
 				if(parts[ID(r)].ctype != PT_RSST)
 					parts[i].ctype = parts[ID(r)].ctype;
 			}
+
+			// Set RSST tmp from nearby breakable clone
+			if((TYP(r) == PT_BCLN) || (TYP(r) == PT_PBCN))
+			{
+				if(parts[ID(r)].ctype != PT_RSST)
+					parts[i].tmp = parts[ID(r)].ctype;
+			}
 		}
 	}