Yes you can. Don't fear overpitching, it's actually hard to do. For dry yeast use the whole package, once it's opened you should use it all anyway.
Something is always fermenting
...."It's Bahl Hornin'"Primary: Brite Tank/Lagering:
Cider, German Pils, Belgian Tripel, Bedeviled (Bel. Golden Strong), AHA Summer Ale, Sonoma County Organic Cider, Maibock Bock, Ommegang Abbey Ale CloneBottled:
Contentment (Trappist), Derangement (Belgian Dark Strong), Kranky (Kolsch v1.1), Wise One (Wit)On Deck: My Site: www.restlesscellars.com