diff --git a/src/simulation/elements/GRVT.cpp b/src/simulation/elements/GRVT.cpp
index 348f06d97..0eab88ba3 100644
--- a/src/simulation/elements/GRVT.cpp
+++ b/src/simulation/elements/GRVT.cpp
@@ -61,20 +61,10 @@ static int update(UPDATE_FUNC_ARGS)
 
 	int under = pmap[y][x];
 	int utype = TYP(under);
-	int uID = ID(under);
 
-	if(utype == PT_RSST)
+	if((utype == PT_RSSS) && sim->rng.chance(1, 5))
 	{
-		sim->part_change_type(uID, x, y, PT_SWCH);
 		sim->kill_part(i);
-
-		return 1;
-	}
-	else if(utype == PT_RSSS)
-	{
-		sim->part_change_type(uID, x, y, PT_NSCN);
-		sim->kill_part(i);
-
 		return 1;
 	}
 
diff --git a/src/simulation/elements/PROT.cpp b/src/simulation/elements/PROT.cpp
index f5a997932..2b915eec2 100644
--- a/src/simulation/elements/PROT.cpp
+++ b/src/simulation/elements/PROT.cpp
@@ -101,16 +101,11 @@ static int update(UPDATE_FUNC_ARGS)
 		else change = 0.0f;
 		parts[uID].temp = restrict_flt(parts[uID].temp + change, MIN_TEMP, MAX_TEMP);
 		break;
-	case PT_RSST:
-		{
-			sim->part_change_type(uID, x, y, PT_METL);
-			sim->kill_part(i);
-		}
-		break;
 	case PT_RSSS:
 		{
-			sim->part_change_type(uID, x, y, PT_PSCN);
+			sim->kill_part(uID);
 			sim->kill_part(i);
+			return 1;
 		}
 		break;
 	case PT_NONE:
diff --git a/src/simulation/elements/RSSS.cpp b/src/simulation/elements/RSSS.cpp
index 10c8ceaa7..3dbe14502 100644
--- a/src/simulation/elements/RSSS.cpp
+++ b/src/simulation/elements/RSSS.cpp
@@ -29,8 +29,8 @@ void Element::Element_RSSS()
 
 	Weight = 100;
 
-	HeatConduct = 251;
-	Description = "Solidified resist. Blocks pressure and insulates SPRK. Liquefies on contact with NEUT.";
+	HeatConduct = 130;
+	Description = "Solidified resist. Blocks pressure and insulates electricity. Liquefies on contact with neutrons.";
 
 	Properties = TYPE_SOLID|PROP_NEUTPASS;
 
diff --git a/src/simulation/elements/RSST.cpp b/src/simulation/elements/RSST.cpp
index 6640bb5e8..504f642eb 100644
--- a/src/simulation/elements/RSST.cpp
+++ b/src/simulation/elements/RSST.cpp
@@ -26,13 +26,13 @@ void Element::Element_RSST()
 	Meltable = 0;
 	Hardness = 50;
 
-	Weight = 34;
+	Weight = 33;
 
 	DefaultProperties.temp = R_TEMP + 20.0f + 273.15f;
-	HeatConduct = 44;
-	Description = "Resist. Solidifies on contact with PHOT, and reacts with other energy particles.";
+	HeatConduct = 55;
+	Description = "Resist. Solidifies on contact with photons, is destroyed by electrons and spark.";
 
-	Properties = TYPE_LIQUID|PROP_NEUTPASS;
+	Properties = TYPE_LIQUID|PROP_CONDUCTS|PROP_LIFE_DEC|PROP_NEUTPASS;
 
 	LowPressure = IPL;
 	LowPressureTransition = NT;
@@ -63,6 +63,11 @@ int update(UPDATE_FUNC_ARGS)
 				sim->kill_part(ID(r));
 				return 1;
 			}
+
+			if((TYP(r) == PT_CLNE) || (TYP(r) == PT_PCLN))
+			{
+				parts[i].ctype = parts[ID(r)].ctype;
+			}
 		}
 	}
 
diff --git a/src/simulation/elements/SPRK.cpp b/src/simulation/elements/SPRK.cpp
index cc06f8aae..b1d9d41c8 100644
--- a/src/simulation/elements/SPRK.cpp
+++ b/src/simulation/elements/SPRK.cpp
@@ -69,6 +69,12 @@ static int update(UPDATE_FUNC_ARGS)
 			parts[i].life = 54;
 		else if (ct == PT_SWCH)
 			parts[i].life = 14;
+		else if (ct == PT_RSST)
+		{
+			sim->kill_part(i);
+			return 1;
+		}
+
 		if (sim->part_change_type(i,x,y,ct))
 			return 1;
 		return 0;
@@ -357,6 +363,14 @@ static int update(UPDATE_FUNC_ARGS)
 						sim->FloodINST(x+rx,y+ry);//spark the wire
 					}
 				}
+				else if (receiver==PT_RSST) {
+					if (parts[ID(r)].life==0 && parts[i].life<4)
+					{
+						sim->part_change_type(ID(r),x+rx,y+ry,PT_SPRK);
+						parts[ID(r)].life = 5;
+						parts[ID(r)].ctype = receiver;
+					}
+				}
 				else if (parts[ID(r)].life==0 && parts[i].life<4) {
 					parts[ID(r)].life = 4;
 					parts[ID(r)].ctype = receiver;