The Code Looks like this: 

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import requests
import re
import appdaemon.plugins.hass.hassapi as hass

class KHGuardianApp(hass.Hass):
def initialize(self):
# Run every 15 minutes
self.run_every(self.get_kh_data, self.datetime(), 15 * 60)

def get_kh_data(self, kwargs):
PASSWORD = "ADD YOUR KHG PASSWORD HERE"
KHG_IP = "192.168.0.149"
ENTITY_ID = "input_number.kh_guardian_dkh"

try:
with requests.Session() as s:
# Login
login_url = f"http://{KHG_IP}:8090/Login"
payload = {"password": PASSWORD}
r = s.post(login_url, data=payload, timeout=10)
r.raise_for_status()

# Get the data page
default_url = f"http://{KHG_IP}:8090/Default"
r = s.get(default_url, timeout=10)
r.raise_for_status()
text = r.text

# Parse KH and pH
kh_match = re.search(r'<p class="dKH-T1">([\d.]+)</p>', text)
ph_match = re.search(r"<p class='T_PH GB6'>([\d.]+)</p>", text)

if not kh_match or not ph_match:
raise ValueError("Could not find KH or pH in the page")

kh_val = float(kh_match.group(1))
ph_val = float(ph_match.group(1))

self.log(f"✅ KH = {kh_val} dKH, pH = {ph_val}")

# Push to Home Assistant
self.call_service("input_number/set_value", entity_id=ENTITY_ID, value=kh_val)

except Exception as e:
self.log(f"🚨 Error getting KH data: {e}", level="ERROR")