diff -r 3d327db12cef -r 48de0f61e5ea src/DetailiSpindel.cpp
--- a/src/DetailiSpindel.cpp	Fri Jun 14 08:45:35 2024 +0200
+++ b/src/DetailiSpindel.cpp	Sat Jun 22 11:28:14 2024 +0200
@@ -64,6 +64,7 @@
 void DetailiSpindel::refreshTable()
 {
     QSqlQuery query;
+    double angle, plato, sg, poly[4];
 
     query.prepare("SELECT * FROM mon_ispindels WHERE record = :recno");
     query.bindValue(":recno", this->recno);
@@ -87,30 +88,50 @@
 	ui->systemEdit->setText(_node+"/"+_alias);
 	ui->codePick->setItemText(0, _alias.toUpper()+" - "+_alias);
 	ui->alarmLED->setChecked(alarm);
+	ui->lastEdit->setText(query.value("lastseen").toDateTime().toString("dd MMM  HH:mm:ss"));
+	ui->codeEdit->setText(_beercode+" - "+_beername);
+	ui->powerLED->setChecked(mode);
+	ui->modeEdit->show();
+	ui->modeEdit->setCurrentIndex(mode ? 1:0);
 
 	if (online) {
 	    ui->statusEdit->setText(tr("Online"));
 	    ui->statusEdit->setStyleSheet("");
-            ui->codeEdit->setText(_beercode+" - "+_beername);
 	    ui->thermoMeter->setNominal(query.value("yeast_lo").toDouble());
 	    ui->thermoMeter->setCritical(query.value("yeast_hi").toDouble());
-
-	    ui->powerLED->setChecked(mode);
-	    ui->modeEdit->show();
+	    ui->modeEdit->setEnabled(true);
 	    if (mode) {
-		ui->modeEdit->setCurrentIndex(1);
 		ui->codePick->hide();
 	    } else {
-		ui->modeEdit->setCurrentIndex(0);
 		ui->codePick->show();
 	    }
 
+	    plato = query.value("gravity").toDouble();
+	    angle = query.value("angle").toDouble();
+	    /*
+	     * Try to use the calibrate poly to recalcultate the density.
+	     */
+	    QJsonParseError parseError;
+	    const auto& json = query.value("calibrate").toString();
+	    if (!json.trimmed().isEmpty()) {
+		const auto& formattedJson = QString("%1").arg(json);
+		QJsonDocument jsonResponse = QJsonDocument::fromJson(formattedJson.toUtf8(),  &parseError);
+		QJsonObject jsonObj = jsonResponse.object();
+		QJsonArray polyData = jsonObj.value("polyData").toArray();
+		if (polyData.size() == 4) {
+		    for (int i = 0; i < polyData.size(); i++) {
+		    	poly[i] = polyData.at(i).toDouble();
+		    }
+		    /* New plato from current polynomial */
+		    plato = (poly[0] * pow(angle, 3)) + (poly[1] * pow(angle, 2)) + (poly[2] * angle) + poly[3];
+		}
+	    }
+	    sg = Utils::plato_to_sg(plato);
+
 	    ui->voltEdit->setText(QString("%1").arg(query.value("battery").toDouble(), 4, 'f', 3, '0'));
-	    ui->tiltEdit->setText(QString("%1").arg(query.value("angle").toDouble(), 6, 'f', 5, '0'));
-	    ui->platoEdit->setText(QString("%1").arg(query.value("gravity").toDouble(), 4, 'f', 3, '0'));
-            double sg = Utils::plato_to_sg(query.value("gravity").toDouble());
+	    ui->tiltEdit->setText(QString("%1").arg(angle, 6, 'f', 5, '0'));
+	    ui->platoEdit->setText(QString("%1").arg(plato, 4, 'f', 3, '0'));
 	    ui->sgEdit->setText(QString("%1").arg(sg, 5, 'f', 4, '0'));
-	    ui->lastEdit->setText(query.value("lastseen").toDateTime().toString("dd MMM  HH:mm:ss"));
 
 	    if (query.value("gravity").toDouble()) {
 		double o_plato = query.value("og_gravity").toDouble();
@@ -158,10 +179,9 @@
 	    /* Offline */
 	    ui->statusEdit->setText(tr("Offline"));
 	    ui->statusEdit->setStyleSheet("background-color: red");
-	    ui->powerLED->setChecked(false);
 	    ui->alarmLED->setChecked(true);
 	    ui->codePick->hide();
-	    ui->modeEdit->hide();
+	    ui->modeEdit->setEnabled(false);
 	    ui->thermoBox->hide();
 	    ui->logButton->hide();
 	}