I AM ON DAY 22 ON MY INCUBATING AND THEY HAVE BEEN ON LOCK DOWN SINCE DAY 18. WHEN DO I GIVE UP ON A HATCH.. HOW MANY DAYS DO I LET IT GO BEFORE I THROW THEM AWAY AND TRY AGAIN, THIS WAS MY FIRST TRY AT IT AND I WAS POSITIVE ON DAY 18 THAT I SEEN 10 OUT OF THE 12 LOOKED LIKE THEY HAD CHICKS IN IT BUT I COULD OF SEEN THE YOLKS... THANKS AND GOD BLESS