diff --git a/src/controllers/api/inventoryController.ts b/src/controllers/api/inventoryController.ts
index e2f4a99d..cef69be7 100644
--- a/src/controllers/api/inventoryController.ts
+++ b/src/controllers/api/inventoryController.ts
@@ -51,9 +51,11 @@ export const inventoryController: RequestHandler = async (request, response) =>
                     if (numArgonCrystals == 0) {
                         break;
                     }
-                    const numStableArgonCrystals =
+                    const numStableArgonCrystals = Math.min(
+                        numArgonCrystals,
                         inventory.FoundToday?.find(x => x.ItemType == "/Lotus/Types/Items/MiscItems/ArgonCrystal")
-                            ?.ItemCount ?? 0;
+                            ?.ItemCount ?? 0
+                    );
                     const numDecayingArgonCrystals = numArgonCrystals - numStableArgonCrystals;
                     const numDecayingArgonCrystalsToRemove = Math.ceil(numDecayingArgonCrystals / 2);
                     logger.debug(`ticking argon crystals for day ${i + 1} of ${daysPassed}`, {
diff --git a/src/services/inventoryService.ts b/src/services/inventoryService.ts
index 9f9e7327..b15bde8c 100644
--- a/src/services/inventoryService.ts
+++ b/src/services/inventoryService.ts
@@ -1119,7 +1119,7 @@ export const addMiscItems = (inventory: TInventoryDatabaseDocument, itemsArray:
 
         MiscItems[itemIndex].ItemCount += ItemCount;
 
-        if (ItemType == "/Lotus/Types/Items/MiscItems/ArgonCrystal") {
+        if (ItemType == "/Lotus/Types/Items/MiscItems/ArgonCrystal" && ItemCount > 0) {
             inventory.FoundToday ??= [];
             let foundTodayIndex = inventory.FoundToday.findIndex(x => x.ItemType == ItemType);
             if (foundTodayIndex == -1) {