text: function checkedPpm() {
      const ppm_check = document.getElementById("ppm_check");
      const daily_container = document.getElementById("daily_container");
      const daily_container_ppm = document.getElementById("daily_container_ppm");
      console.log('checkedPpm', ppm_check, daily_container, daily_container_ppm);
      if (ppm_check.checked) {
          daily_container.style.display = "none";
          daily_container_ppm.style.display = "block";   
      } else {
          daily_container_ppm.style.display = "none";
          daily_container.style.display = "block";   
      }
  }