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  1. Redx/Ph-sensor issue
  2. Which level sensor to use, floater or optical?
  3. Expansion Box 1 and Flow Sensors
  4. Float sensor to override optical sensor
  5. PLM-ADIN voltage display percent unit
  6. Redox
  7. Power Bar electrical monitoring
  8. Level Sensor
  9. GHL PL-Optolevel PL-0082’s schematic
  10. Temperature Reading 0 on P4
  11. Getting alarm: LevC. 1
  12. Calculation PSU and DENSITY(kg/l) do not match for (virtual)conductivity probe
  13. Charts not up to date.
  14. PH Sensor Calibration Fluids
  15. Conductivity Alarm Threshold
  16. Extend the black cable, leaksensor
  17. Dynamic Value Feature
  18. Which level sensor numbering is correct?
  19. Redox probe problems
  20. Profilux Touch display
  21. Ph probe reading
  22. Reset Level sensor
  23. Oxygen sensor help
  24. User experiences - life span of optical level sensors?
  25. Calcium measurement
  26. Conduct sensor
  27. Two settings configured for one device
  28. Ph probe and redox probe calibration issue
  29. Flow meter connection
  30. Flow sensor fitting
  31. Optical level sensor lifetime
  32. PH control for calcium reactor
  33. Analog temperature probe and digital temperature probe in ExBox2, which one?
  34. Seasonal temp
  35. Shutdown return to avoid tank overflow with 1 sensor HOW TO ?
  36. Plm-adin 10v line
  37. Conductivity measurment 0 -> 5 μS
  38. Ph calibration menu missing
  39. Conductivity measurment 0 -> 5 mS
  40. Alarm : The mesured value has fallen bellow or exceeded the alarm threshold
  41. Conductivity probe constant alarm despite functioning perfectly well!
  42. Powerbar 5.1 does not show actual current
  43. Redox probe
  44. Horizontal placement ORP probe
  45. how to calibrate Conduct probe?
  46. Probe question
  47. Temperature Reading 0.0ºc , *** or 40ºC on P4
  48. [Question] pH 2 disappeared from Profillux 4
  49. Has anyone else suffered similar issues with their analogue temp probe?
  50. PH Probe calibration
  51. leak sensor
  52. Switch logging on and off
  53. How to Calibrate Redox Probe - ProfiLux 3.1N
  54. PAB far from the profilux
  55. myGHL cloud based power/connectivity monitoring
  56. Calibrate Salinity Conduct probe
  57. 2 level sensors in my fresh water tank
  58. S-L-port BOB
  59. Operation Mode Controller Missing in Menu
  60. Connecting the temp & humidity sensor
  61. Battery backup return pump
  62. Probes in covered sump
  63. Controlling ventilation with Profilux 4?
  64. Redox reading up to 1000mV
  65. PH Sensor Probe Help
  66. RODI top-off controlling through 2 sensors min/max
  67. Digital input to generate alarm/Mail
  68. Temp probe readings
  69. STDL4-4 Powerbar
  70. Profilux Terra humidity sensor works inverted now?
  71. Control return pump by means of flow-sensors
  72. Dosing pump controlling other devices
  73. Power bars
  74. Skimmer cup level sensor & programmable logic
  75. Dynamic value show wrong dynamiv value
  76. Low water alert?
  77. How do I wire this extractor fan to GHL BoB?
  78. Time for a aquarium computer
  79. Heating cooling device
  80. Skimmer Control (12 hrs pause) by Programmable Logic
  81. Automatic waterchange from waterline instead of prefilled container.
  82. Temperature Reading Stuck
  83. Controlling the Maxi Doser based on pH Value
  84. Feed mode with a socket on a timer.
  85. Sensor output
  86. Multiple ADIN in Expansion Box?
  87. Salinity meter on Profilux 3
  88. Delay socket restarts after maintenance modes?
  89. Water change automatic problem
  90. Citric acid for cleaning
  91. Level sensor
  92. Probe calibration question / request
  93. Flow sensor 9000L/H
  94. Calibrate redox
  95. Temperature not working
  96. ORP reading
  97. Auto water change and ATO
  98. Sensor history data
  99. Monitoring Salinity in 2 separate sumps
  100. long cord ATO control
  101. Max length for pH probe cable
  102. Ion director questions
  103. One heater - Two Temp Probes
  104. Level sensor multi function capability? Also, Optical sensor clearance?
  105. Fail safe level sensor for AWC and ATO?
  106. Operation mode controller
  107. Which type of level sensor to use?
  108. 2nd Temp Sensor Drifting High
  109. Salinity Probe Drift
  110. Ion Director Questions
  111. Leak sensor false positive
  112. Measuring Po4
  113. ATO & water change control fail safe timer questions.
  114. PH probe calibration
  115. leakage sensor
  116. Redox calibration plug
  117. Setting Heater To Avoid Tank Fry
  118. Skimmer overflow
  119. P4 Salinity Probe Control w Maxi Doser
  120. L port
  121. Baling+calcium reactor
  122. PH prob
  123. Included Temperature Probe with ProfiLux 4e Reading 365.7 Degrees Fahrenheit.
  124. Water Change with Filling First
  125. ION Director
  126. Powerbar 6E and Heater Control
  127. PLM pH/Redox - 2Level
  128. Float sensor issues please help
  129. Salinity control help
  130. ATO setup with low RODI level sensor HELP pls!
  131. PH probe calibration weirdness
  132. PropellerControl low Votage
  133. Mini WiFi controlling CO2
  134. 2nd power Bar connexion?
  135. Flow Senzor 9000 l/h
  136. Any tube length limitations for testing, dosing, AWC/ATO, etc...?
  137. On Except When...
  138. Basement Sump Setup
  139. AWC triggered by sensor rather than (or in addition to) Timer
  140. Lowest temp for ProfiLux Expansion Box 2
  141. Digital thermometer vs graphs in GHL ConnectApp
  142. PH calibration issue
  143. Conductivity probe?
  144. ATO help?
  145. Temp Probe reading off
  146. Charts not showing latest measurements
  147. Issue with power loss and level sensor
  148. Switch channels not showing Amp reading
  149. New System PH probe issue
  150. ATO/AWC Level Control Malfunction - Profilux 4
  151. 16 illumination channels on profilux light
  152. Controlling a watson marlow peristaltic pump
  153. How to set time slot PH control - CO2
  154. My Temperature Sensor was fully submerged, is this an issue?
  155. Wi-Fi issue on P4
  156. Salinity probe radical fluctuations.
  157. Profilux 4 measurement data in excel guide/help wanted.
  158. Redox and PH probe calibration error
  159. Controlling a D&D H2Ocean P4 PRO dosing pump
  160. Probes location
  161. Heater?
  162. Unexpected behavior of redox reading
  163. Sump and Skimmer Control with float sensors
  164. Recommendation for new setup
  165. Conductivity probe keeps drifting
  166. Power bar 6D help please
  167. Probe placement?
  168. Level sensor for skimmer cup
  169. Measurement Cell
  170. hysteresis
  171. Level sensor and alarm
  172. P3 Temperature probe
  173. powerbar 6D PAB does not have power
  174. CO2 system to be used with GHL Profilux
  175. Oxygen probe for a freshwater aquarium
  176. Please advice on a small wave pump
  177. level sensors for auto water change and auto top off
  178. Measurement Cell on Overflow
  179. Oxygen Saturation
  180. ATO sensor alarm reset
  181. Do I have a problem with level sensor or is it the controller?
  182. APP calibration
  183. Port Aux for temperature
  184. Function statements
  185. Ato
  186. Conductivity probe to monitor salinity?
  187. Sensor Sample Rate
  188. Failure of Salinity Measurement in Profilux 4
  189. Null plug!
  190. Cant find the Vortech controller in GHL Connect app
  191. Reset hours use
  192. Splitter Cable YL2 for 1-10V output on Profilux 4
  193. Weight sensor measurement by ProFilux 3.1
  194. Flow sensor
  195. P4 digital temperature probe suddenly shows 0.0 C
  196. ORP Probe control
  197. Most float sensors work, some don't on Expansion Box expansion cards
  198. level sensor vtn-5 extension cable
  199. program level sensor to turn on doser
  200. S-ports
  201. My complete profilux setup: Water Change, ATO, Dosing, Temp, Humidity
  202. Just got my Profilux 4 and need some help with a maintenance routine
  203. 2-sensor ATO Min-Max control: Do I need a Level Sensor Splitter cable?
  204. Is anyone there?
  205. How to program ATO+Kalkreactor
  206. New starterkit
  207. Deleting KHD Results
  208. ATO and pump level secury
  209. level sensor malfunction
  210. Alarm / email based on programmable logic
  211. Ph Probe calibration?
  212. solenoid valves experience ?
  213. Measurement history duration
  214. Question re humidity sensor controlling 0-10v
  215. Electrodes life span
  216. ph probe error code
  217. P4 froze
  218. Less secure app blocked
  219. 1-10 port max power output
  220. pH Value assigned to L1 need 0-10v clarification
  221. Programmable Logic PH (CO2/Air Pump)
  222. Flow and level sensor compatibility
  223. pH on GHL Proflux reading opposite of Milwaukee
  224. BNC extension cable
  225. ph probe cleaning
  226. Conductivity tolerance issue?
  227. PH Alarm Deviation
  228. New ProfiLux Mini/Light adapter for ATO/Autofeeder
  229. pH Control upward/downward - Abnormal switching
  230. HELP!! Profilux 3.1 down after power brake
  231. Expansion Box 2 - Probes, Cards and Level Sensors not functioning as expected
  232. Big pH deviation in 2 weeks after calibration
  233. Control of KH and pH simultaneously with KH director, Calcium Reactor and Kalkwasser
  234. GHL kh director with SA doser 2.1 and maxi SA 2.2 doser
  235. PLM-Ph-Redox-DigTemp - High mV Readings
  236. Leakage Interface
  237. PLM-ADIN osmosis water reserve control
  238. PAB communacation error
  239. Using the level sensor to activate and disable powerbar slots
  240. PL-LY split cable and flow sensors
  241. Virtual Sensor for Flow meter?
  242. Charting energy use combined with data from probes is it possible?
  243. sensor in my skimmer cup
  244. Connecting a RS485 DO sensor
  245. fail to switch off leak control
  246. Top Off with RO and AWC with remineralized water.
  247. Maxi 2.2 Doser providing negative and positive "doses" from AWC schedule
  248. New pH probe
  249. Adding a second PH probe for my calcium reactor
  250. Flow Sensor replacement or cleaning