that have not enough water so air goes to column for more than 3 hours .then i run degassed water at 0.5 ml/minute from top to bottom of column for 1 weak. I observe chromatogram peaks showed air bubbles move out after that stable line was observe. Every day i run water but in start (0.5 to 1.5 ml)there is sharp peak with UV absorbance 12 or 8 then UV absorbance line stable to -0.4 and there is no peak after 2 ml line is stable .Kindly guide me what should I do?