diff --git a/includes/powder.h b/includes/powder.h
index 89e1c0bfd..1810e69f5 100644
--- a/includes/powder.h
+++ b/includes/powder.h
@@ -141,6 +141,7 @@
 #define PT_CBNW 82
 #define PT_STOR 83
 #define PT_PVOD 84
+#define PT_CONV 85
 
 #define PT_SPNG 90
 #define PT_RIME 91
@@ -329,6 +330,7 @@ int update_CBNW(UPDATE_FUNC_ARGS);
 int update_STOR(UPDATE_FUNC_ARGS);
 int update_BIZR(UPDATE_FUNC_ARGS);
 int update_PVOD(UPDATE_FUNC_ARGS);
+int update_CONV(UPDATE_FUNC_ARGS);
 
 int update_MISC(UPDATE_FUNC_ARGS);
 int update_legacy_PYRO(UPDATE_FUNC_ARGS);
@@ -493,7 +495,7 @@ static const part_type ptypes[PT_NUM] =
 	{"BUBW",	PIXPACK(0x2030D0),	0.6f,	0.01f * CFDS,	0.98f,	0.95f,	0.0f,	0.1f,	0.00f,	0.000f	* CFDS,	2,	0,		0,	0,	20,	1,	1,	30,		SC_LIQUID,		R_TEMP-2.0f	+273.15f,	29,		"Carbonated water. Conducts electricity. Freezes. Extinguishes fires.", ST_LIQUID, TYPE_LIQUID|PROP_CONDUCTS|PROP_LIFE_DEC|PROP_NEUTPENETRATE, &update_CBNW},
 	{"STOR",	PIXPACK(0x50DFDF),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	1,	1,	1,	100,	SC_POWERED,		R_TEMP+0.0f	+273.15f,	251,	"Solid. Stores a single particle, releases when charged with PSCN, also passes to PIPE", ST_NONE, TYPE_SOLID, &update_STOR},
 	{"PVOD",	PIXPACK(0x792020),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	1,	1,	1,	100,	SC_POWERED,		R_TEMP+0.0f	+273.15f,	251,	"Solid. When activated, destroys entering particles", ST_NONE, TYPE_SOLID, &update_PVOD},
-	/*FREE*/{"PGOL",	PIXPACK(0xE05010),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	0,	0,	100,	SC_LIFE,		9000.0f,				40,		"Pseudo Life! B357/S238", ST_NONE, TYPE_SOLID|PROP_LIFE, NULL},
+	{"CONV",	PIXPACK(0x0AAB0A),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	1,	1,	1,	100,	SC_SPECIAL,		R_TEMP+0.0f	+273.15f,	251,	"Solid. Converts whatever touches it into its ctype.", ST_NONE, TYPE_SOLID, &update_CONV},
 	/*FREE*/{"DMOE",	PIXPACK(0x500000),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	0,	0,	100,	SC_LIFE,		9000.0f,				40,		"Diamoeba! B35678/S5678", ST_NONE, TYPE_SOLID|PROP_LIFE, NULL},
 	/*FREE*/{"34",		PIXPACK(0x500050),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	0,	0,	100,	SC_LIFE,		9000.0f,				40,		"34! B34/S34)", ST_NONE, TYPE_SOLID|PROP_LIFE, NULL},
 	/*FREE*/{"LLIF",	PIXPACK(0x505050),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	0,	0,	100,	SC_LIFE,		9000.0f,				40,		"Long Life! B345/S5", ST_NONE, TYPE_SOLID|PROP_LIFE, NULL},