is it the krausen?
if it is, get a blow off asap.
if it's just the starsan or whatever you have in there foaming from the C02, thats normal.
RAINYDAY BREWING AND WINERY McMinnville, OR - EST 2010
Coming up Mosaic Honey Wheat -
Primary Kool-aid malt liquor - Berlinerweisse
Kegged Berlinerweisse - Centennial blonde with Huell Mellon hops - same blonde but dry hopped with ella
240v - 4500w electric two tier