Becareful which Synthrapol you purchase for use in a front loader. There are many different formulations of Synthrapol. The most common is Synthrapol SP which is what is most commonly used. However for HE and Front Loaders get Synthrapol LF. You can find it here:
http://www.prochemicalanddye.com/pro...cat=249&page=2
And here (Dharma Trading lists both SP & LF on this page so pick the correct one):
http://www.dharmatrading.com/html/en...chemicals.html