Yesterday,I dosed a tube of bio digest ( I always use Microbacter 7 ) and a tube of bio tim to my 64 lit tank and today i dose 5ml Nopox to my tank and my skimmer got overflow , does Cacbon dosing effect the skimmers or microbacter 7 not coincide with bio digest, any one help me an advise what i have to do now ? Now i turn of skimmer .