I'm trying to stain a hyaluronic acid ladder (Select-HA/Mega-HA) but apparently my Stain-all is not working (I tried to stain DNA and it didn't work either). I'm using a 0.1% Stains-all in 50% ethanol, for a 1% agarose gel. Leaving it overnight in the dark at RT with gentle shaking and then transferring it to 10% ethanol for one day and finishing the destaining with direct light. The gel is completely purple but then it destains completely, showing no bands at all. Thanks!