diff --git a/homeassistant/components/flipr/sensor.py b/homeassistant/components/flipr/sensor.py
index a8618b2df87..66078c50c1a 100644
--- a/homeassistant/components/flipr/sensor.py
+++ b/homeassistant/components/flipr/sensor.py
@@ -25,8 +25,8 @@ SENSOR_TYPES: tuple[SensorEntityDescription, ...] = (
     ),
     SensorEntityDescription(
         key="ph",
-        translation_key="ph",
         icon="mdi:pool",
+        device_class=SensorDeviceClass.PH,
         state_class=SensorStateClass.MEASUREMENT,
     ),
     SensorEntityDescription(
diff --git a/homeassistant/components/flipr/strings.json b/homeassistant/components/flipr/strings.json
index 24557ff177b..235117afbd4 100644
--- a/homeassistant/components/flipr/strings.json
+++ b/homeassistant/components/flipr/strings.json
@@ -40,9 +40,6 @@
       "chlorine": {
         "name": "Chlorine"
       },
-      "ph": {
-        "name": "pH"
-      },
       "water_temperature": {
         "name": "Water temperature"
       },