diff --git a/tasmota/xsns_83_neopool.ino b/tasmota/xsns_83_neopool.ino
index 798584747..6a51901b5 100644
--- a/tasmota/xsns_83_neopool.ino
+++ b/tasmota/xsns_83_neopool.ino
@@ -108,6 +108,8 @@ enum NeoPoolRegister {
   MBF_CELL_RUNTIME_LOW = 0x0206,          // 0x0206*        undocumented - cell runtime (32 bit) - low word
   MBF_CELL_RUNTIME_HIGH = 0x0207,         // 0x0207*        undocumented - cell runtime (32 bit) - high word
   MBF_BOOST_CTRL = 0x020C,                // 0x020C         undocumented - 0x0000 = Boost Off, 0x05A0 = Boost with redox ctrl, 0x85A0 = Boost without redox ctrl
+  MBF_HIDRO_MODULE_VERSION = 0x0280,      // 0x0280         undocumented - Hydrolysis module version
+  MBF_HIDRO_MODULE_CONNECTIVITY = 0x0281, // 0x0281         undocumented - Hydrolysis module connection quality (in myriad: 0..10000)
   MBF_SET_MANUAL_CTRL = 0x0289,           // 0x0289         undocumented - write a 1 before manual control MBF_RELAY_STATE, after done write 0 and do MBF_EXEC
   MBF_ESCAPE = 0x0297,                    // 0x0297         undocumented - A write operation to this register is the same as using the ESC button on main screen - clears error
   MBF_SAVE_TO_EEPROM = 0x02F0,            // 0x02F0         A write operation to this register starts a EEPROM storage operation immediately. During the EEPROM storage procedure, the system may be unresponsive to MODBUS requests. The operation will last always less than 1 second.