diff -r aa8d421bfc24 -r 35ce719998e1 src/EditProductTab5.cpp
--- a/src/EditProductTab5.cpp	Tue Jun 21 16:16:43 2022 +0200
+++ b/src/EditProductTab5.cpp	Thu Jun 23 16:50:23 2022 +0200
@@ -32,6 +32,20 @@
 }
 
 
+bool EditProduct::block_misc(int stage, int use_use)
+{
+    if (stage > PROD_STAGE_TERTIARY && use_use < MISC_USES_BOTTLING)
+	return true;
+    if (stage > PROD_STAGE_PRIMARY && use_use < MISC_USES_SECONDARY)
+	return true;
+    if (stage > PROD_STAGE_BREW && use_use < MISC_USES_PRIMARY)
+	return true;
+    if (stage > PROD_STAGE_WAIT && use_use < MISC_USES_MASH)
+	return true;
+    return false;
+}
+
+
 void EditProduct::refreshMiscs()
 {
     QString w;
@@ -96,18 +110,23 @@
 	item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
         ui->miscsTable->setItem(i, 4, item);
 
-	if (product->miscs.at(i).amount_is_weight)
-            item = new QTableWidgetItem(QString("%1 gr").arg(product->miscs.at(i).inventory * 1000.0, 3, 'f', 2, '0'));
-        else
-            item = new QTableWidgetItem(QString("%1 ml").arg(product->miscs.at(i).inventory * 1000.0, 3, 'f', 2, '0'));
-        item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
-	if (product->miscs.at(i).inventory < product->miscs.at(i).amount)
-            item->setForeground(QBrush(QColor(Qt::red)));
+	if (block_misc(product->stage, product->miscs.at(i).use_use)) {
+	    item = new QTableWidgetItem(QString(""));
+	} else {
+	    if (product->miscs.at(i).amount_is_weight)
+            	item = new QTableWidgetItem(QString("%1 gr").arg(product->miscs.at(i).inventory * 1000.0, 3, 'f', 2, '0'));
+            else
+            	item = new QTableWidgetItem(QString("%1 ml").arg(product->miscs.at(i).inventory * 1000.0, 3, 'f', 2, '0'));
+            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
+	    if (product->miscs.at(i).inventory < product->miscs.at(i).amount)
+            	item->setForeground(QBrush(QColor(Qt::red)));
+	}
         ui->miscsTable->setItem(i, 5, item);
 
 	/*
 	 * Add the Delete and Edit row buttons.
 	 * Not for water agents, these are set on the water tab.
+	 * And also not if the ingredient has been used.
 	 */
 	if (product->miscs.at(i).type == MISC_TYPES_WATER_AGENT) {
 	    ui->miscsTable->removeCellWidget(i, 6);	/* to remove the unneeded button */
@@ -118,6 +137,15 @@
             item = new QTableWidgetItem("");
             item->setToolTip(tr("Edit this from the water tab"));
             ui->miscsTable->setItem(i, 7, item);
+	} else if (block_misc(product->stage, product->miscs.at(i).use_use)) {
+	    ui->miscsTable->removeCellWidget(i, 6);     /* to remove the unneeded button */
+            item = new QTableWidgetItem("");
+            item->setToolTip(tr("Misc already used"));
+            ui->miscsTable->setItem(i, 6, item);
+            ui->miscsTable->removeCellWidget(i, 7);
+            item = new QTableWidgetItem("");
+            item->setToolTip(tr("Misc already used"));
+            ui->miscsTable->setItem(i, 7, item);
 	} else {
 	    if (ui->miscsTable->item(i, 6)) {
 		ui->miscsTable->takeItem(i, 6);		/* to remove the old tooltip */