--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/model/WQ.java	Wed Oct 01 15:42:55 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/WQ.java	Wed Oct 01 15:54:47 2014 +0200
@@ -121,23 +121,15 @@
      * If a conversion takes place converted is set to true
      */
     public static WQ getFixedWQforExportAtGauge(WQ wq, BigDecimal datum) {
-        if (wq.getReferenceSystem() == W.CENTIMETER_AT_GAUGE) {
-            // Do nothing
-            return wq;
-        }
         // If we convert we work on a copy to avoid side effects.
         WQ ret = new WQ(wq.size(), wq.getName());
-        ret.setReferenceSystem(W.CENTIMETER_AT_GAUGE);
 
-        // When we convert and have a datum we have a calculated
-        // result at a gauge so we must subtract the datum.
         double subtractDatum = datum == null ? 0 : datum.doubleValue();
         double [] data = new double[8];
         for (int i = 0, WQ = wq.size(); i < WQ; i++) {
             wq.get(i, data);
             ret.add((data[0] - subtractDatum)*100d, data[1]);
         }
-        log.debug("Converted W values to centimeter and substracted: " + subtractDatum);
         return ret;
     }
 }